diff --git a/arc4.h b/arc4.h
index 6c02524c..21268076 100644
--- a/arc4.h
+++ b/arc4.h
@@ -16,8 +16,9 @@ NAMESPACE_BEGIN(CryptoPP)
 namespace Weak1 {
 
 //! \class ARC4_Base
-//! \brief Class specific methods used to operate the cipher.
+//! \brief ARC4 base class
 //! \details Implementations and overrides in \p Base apply to both \p ENCRYPTION and \p DECRYPTION directions
+//! \since Crypto++ 1.0
 class CRYPTOPP_NO_VTABLE ARC4_Base : public VariableKeyLength<16, 1, 256>, public RandomNumberGenerator, public SymmetricCipher, public SymmetricCipherDocumentation
 {
 public:
@@ -45,11 +46,14 @@ protected:
     byte m_x, m_y;
 };
 
-//! <a href="http://www.weidai.com/scan-mirror/cs.html#RC4">Alleged RC4</a>
+//! \class ARC4
+//! \brief Alleged RC4
+//! \sa <a href="http://www.weidai.com/scan-mirror/cs.html#RC4">Alleged RC4</a>
+//! \since Crypto++ 1.0
 DOCUMENTED_TYPEDEF(SymmetricCipherFinal<ARC4_Base>, ARC4)
 
 //! \class MARC4_Base
-//! \brief Class specific methods used to operate the cipher.
+//! \brief MARC4 base class
 //! \details Implementations and overrides in \p Base apply to both \p ENCRYPTION and \p DECRYPTION directions
 //! \details MARC4 discards the first 256 bytes of keystream, which may be weaker than the rest
 class CRYPTOPP_NO_VTABLE MARC4_Base : public ARC4_Base
@@ -64,6 +68,10 @@ protected:
 	unsigned int GetDefaultDiscardBytes() const {return 256;}
 };
 
+//! \class MARC4
+//! \brief Modified Alleged RC4
+//! \sa <a href="http://www.weidai.com/scan-mirror/cs.html#RC4">Alleged RC4</a>
+//! \since Crypto++ 1.0
 DOCUMENTED_TYPEDEF(SymmetricCipherFinal<MARC4_Base>, MARC4)
 
 }
diff --git a/blowfish.h b/blowfish.h
index dc770c9e..740fd375 100644
--- a/blowfish.h
+++ b/blowfish.h
@@ -20,8 +20,9 @@ struct Blowfish_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 4,
 
 // <a href="http://www.weidai.com/scan-mirror/cs.html#Blowfish">Blowfish</a>
 
-//! \class Blowfish_Info
+//! \class Blowfish
 //! \brief Blowfish block cipher
+//! \since Crypto++ 1.0
 class Blowfish : public Blowfish_Info, public BlockCipherDocumentation
 {
 	//! \class Base
diff --git a/des.h b/des.h
index 3e686dc0..0b621b1d 100644
--- a/des.h
+++ b/des.h
@@ -39,6 +39,7 @@ struct DES_Info : public FixedBlockSize<8>, public FixedKeyLength<8>
 //!   (the least significant bits of each byte) in the key. However you can use CheckKeyParityBits()
 //!   and CorrectKeyParityBits() to	check or correct the parity bits if you wish.
 //! \sa <a href="http://www.weidai.com/scan-mirror/cs.html#DES">DES</a>
+//! \since Crypto++ 1.0
 class DES : public DES_Info, public BlockCipherDocumentation
 {
 	//! \class Base
@@ -69,7 +70,8 @@ struct DES_EDE2_Info : public FixedBlockSize<8>, public FixedKeyLength<16>
 
 //! \class DES_EDE2
 //! \brief 2-key TripleDES block cipher
-/// \sa <a href="http://www.weidai.com/scan-mirror/cs.html#DESede">DES-EDE2</a>
+//! \sa <a href="http://www.weidai.com/scan-mirror/cs.html#DESede">DES-EDE2</a>
+//! \since Crypto++ 1.0
 class DES_EDE2 : public DES_EDE2_Info, public BlockCipherDocumentation
 {
 	//! \class Base
@@ -99,6 +101,7 @@ struct DES_EDE3_Info : public FixedBlockSize<8>, public FixedKeyLength<24>
 //! \class DES_EDE3
 //! \brief 3-key TripleDES block cipher
 //! \sa <a href="http://www.weidai.com/scan-mirror/cs.html#DESede">DES-EDE3</a>
+//! \since Crypto++ 1.0
 class DES_EDE3 : public DES_EDE3_Info, public BlockCipherDocumentation
 {
 	//! \class Base
@@ -128,6 +131,7 @@ struct DES_XEX3_Info : public FixedBlockSize<8>, public FixedKeyLength<24>
 //! \class DES_XEX3
 //! \brief DESX block cipher
 //! \sa <a href="http://www.weidai.com/scan-mirror/cs.html#DESX">DES-XEX3</a>, AKA DESX
+//! \since Crypto++ 1.0
 class DES_XEX3 : public DES_XEX3_Info, public BlockCipherDocumentation
 {
 	//! \class Base
diff --git a/dh.h b/dh.h
index f0558a89..ddc1534e 100644
--- a/dh.h
+++ b/dh.h
@@ -19,6 +19,8 @@ NAMESPACE_BEGIN(CryptoPP)
 //! \details A Diffie-Hellman domain is a set of parameters that must be shared
 //!   by two parties in a key agreement protocol, along with the algorithms
 //!   for generating key pairs and deriving agreed values.
+//! \sa DL_SimpleKeyAgreementDomainBase
+//! \since Crypto++ 1.0
 template <class GROUP_PARAMETERS, class COFACTOR_OPTION = CPP_TYPENAME GROUP_PARAMETERS::DefaultCofactorOption>
 class DH_Domain : public DL_SimpleKeyAgreementDomainBase<typename GROUP_PARAMETERS::Element>
 {
@@ -30,6 +32,10 @@ public:
 	typedef DL_KeyAgreementAlgorithm_DH<Element, COFACTOR_OPTION> DH_Algorithm;
 	typedef DH_Domain<GROUP_PARAMETERS, COFACTOR_OPTION> Domain;
 
+#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
+	virtual ~DH_Domain() {}
+#endif
+
 	//! \brief Construct a Diffie-Hellman domain
 	DH_Domain() {}
 
@@ -153,10 +159,6 @@ public:
 		{return GroupParameters::StaticAlgorithmNamePrefix() + DH_Algorithm::StaticAlgorithmName();}
 	std::string AlgorithmName() const {return StaticAlgorithmName();}
 
-#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
-	virtual ~DH_Domain() {}
-#endif
-
 private:
 	const DL_KeyAgreementAlgorithm<Element> & GetKeyAgreementAlgorithm() const
 		{return Singleton<DH_Algorithm>().Ref();}
diff --git a/dh2.h b/dh2.h
index 85db8861..83f7552e 100644
--- a/dh2.h
+++ b/dh2.h
@@ -1,7 +1,6 @@
 // dh2.h - written and placed in the public domain by Wei Dai
 
-//! \file
-//! \headerfile dh2.h
+//! \file dh2.h
 //! \brief Classes for Diffie-Hellman authenticated key exchange
 
 #ifndef CRYPTOPP_DH2_H
@@ -11,12 +10,25 @@
 
 NAMESPACE_BEGIN(CryptoPP)
 
-/// <a href="http://www.weidai.com/scan-mirror/ka.html#DH2">Unified Diffie-Hellman</a>
+//! \class DH2
+//! \brief Unified Diffie-Hellman
+//! \details A Diffie-Hellman domain is a set of parameters that must be shared
+//!   by two parties in a key agreement protocol, along with the algorithms
+//!   for generating key pairs and deriving agreed values.
+//! \sa AuthenticatedKeyAgreementDomain, <a href="http://www.weidai.com/scan-mirror/ka.html#DH2">Unified Diffie-Hellman</a>
+//! \since Crypto++ 1.0
 class DH2 : public AuthenticatedKeyAgreementDomain
 {
 public:
+
+#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
+	virtual ~DH2() {}
+#endif
+
+	//! \brief Construct a DH2
 	DH2(SimpleKeyAgreementDomain &domain)
 		: d1(domain), d2(domain) {}
+	//! \brief Construct a DH2
 	DH2(SimpleKeyAgreementDomain &staticDomain, SimpleKeyAgreementDomain &ephemeralDomain)
 		: d1(staticDomain), d2(ephemeralDomain) {}
 
@@ -52,10 +64,6 @@ public:
 		const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey,
 		bool validateStaticOtherPublicKey=true) const;
 
-#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
-	virtual ~DH2() {}
-#endif
-
 protected:
 	SimpleKeyAgreementDomain &d1, &d2;
 };
diff --git a/dsa.h b/dsa.h
index 41c95062..faaa2fba 100644
--- a/dsa.h
+++ b/dsa.h
@@ -33,6 +33,7 @@ enum DSASignatureFormat {
 //! \details This function converts between these formats, and returns length
 //!   of signature in the target format. If <tt>toFormat == DSA_P1363</tt>, then
 //!   <tt>bufferSize</tt> must equal <tt>publicKey.SignatureLength()</tt>
+//! \since Crypto++ 1.0
 size_t DSAConvertSignatureFormat(byte *buffer, size_t bufferSize, DSASignatureFormat toFormat,
 	const byte *signature, size_t signatureLen, DSASignatureFormat fromFormat);
 
diff --git a/elgamal.h b/elgamal.h
index 93eccd7f..934256a8 100644
--- a/elgamal.h
+++ b/elgamal.h
@@ -16,11 +16,19 @@
 
 NAMESPACE_BEGIN(CryptoPP)
 
+//! \class ElGamalBase
+//! \brief ElGamal key agreement and encryption schemes base class
+//! \since Crypto++ 1.0
 class CRYPTOPP_NO_VTABLE ElGamalBase : public DL_KeyAgreementAlgorithm_DH<Integer, NoCofactorMultiplication>,
 					public DL_KeyDerivationAlgorithm<Integer>,
 					public DL_SymmetricEncryptionAlgorithm
 {
 public:
+
+#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
+	virtual ~ElGamalBase() {}
+#endif
+
 	void Derive(const DL_GroupParameters<Integer> &groupParams, byte *derivedKey, size_t derivedLength, const Integer &agreedElement, const Integer &ephemeralPublicKey, const NameValuePairs &derivationParams) const
 	{
 		CRYPTOPP_UNUSED(groupParams), CRYPTOPP_UNUSED(ephemeralPublicKey), CRYPTOPP_UNUSED(derivationParams);
@@ -86,16 +94,20 @@ public:
 	}
 
 	virtual const DL_GroupParameters_GFP & GetGroupParameters() const =0;
-
-#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
-	virtual ~ElGamalBase() {}
-#endif
 };
 
+//! \class ElGamalObjectImpl
+//! \brief ElGamal key agreement and encryption schemes default implementation
+//! \since Crypto++ 1.0
 template <class BASE, class SCHEME_OPTIONS, class KEY>
 class ElGamalObjectImpl : public DL_ObjectImplBase<BASE, SCHEME_OPTIONS, KEY>, public ElGamalBase
 {
 public:
+
+#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
+	virtual ~ElGamalObjectImpl() {}
+#endif
+
 	size_t FixedMaxPlaintextLength() const {return this->MaxPlaintextLength(FixedCiphertextLength());}
 	size_t FixedCiphertextLength() const {return this->CiphertextLength(0);}
 
@@ -104,16 +116,14 @@ public:
 	DecodingResult FixedLengthDecrypt(RandomNumberGenerator &rng, const byte *cipherText, byte *plainText) const
 		{return Decrypt(rng, cipherText, FixedCiphertextLength(), plainText);}
 
-#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
-	virtual ~ElGamalObjectImpl() {}
-#endif
-
 protected:
 	const DL_KeyAgreementAlgorithm<Integer> & GetKeyAgreementAlgorithm() const {return *this;}
 	const DL_KeyDerivationAlgorithm<Integer> & GetKeyDerivationAlgorithm() const {return *this;}
 	const DL_SymmetricEncryptionAlgorithm & GetSymmetricEncryptionAlgorithm() const {return *this;}
 };
 
+//! \class ElGamalKeys
+//! \brief ElGamal key agreement and encryption schemes keys
 struct ElGamalKeys
 {
 	typedef DL_CryptoKeys_GFP::GroupParameters GroupParameters;
@@ -123,6 +133,7 @@ struct ElGamalKeys
 
 //! \class ElGamal
 //! \brief ElGamal encryption scheme with non-standard padding
+//! \since Crypto++ 1.0
 struct ElGamal
 {
 	typedef DL_CryptoSchemeOptions<ElGamal, ElGamalKeys, int, int, int> SchemeOptions;
diff --git a/gfpcrypt.h b/gfpcrypt.h
index 24f6e6eb..04a5a1ef 100644
--- a/gfpcrypt.h
+++ b/gfpcrypt.h
@@ -436,6 +436,7 @@ public:
 //! \brief DSA signature scheme
 //! \tparam H HashTransformation derived class
 //! \sa <a href="http://www.weidai.com/scan-mirror/sig.html#DSA-1363">DSA-1363</a>
+//! \since Crypto++ 1.0 for DSA, Crypto++ 5.6.2 for DSA2
 template <class H>
 struct GDSA : public DL_SS<
 	DL_SignatureKeys_GFP,
@@ -508,6 +509,7 @@ struct DL_Keys_DSA
 //! \tparam H HashTransformation derived class
 //! \details The class is named DSA2 instead of DSA for backwards compatibility because DSA was a non-template class.
 //! \sa <a href="http://en.wikipedia.org/wiki/Digital_Signature_Algorithm">DSA</a>, as specified in FIPS 186-3
+//! \since Crypto++ 1.0 for DSA, Crypto++ 5.6.2 for DSA2
 template <class H>
 class DSA2 : public DL_SS<
 	DL_Keys_DSA,
@@ -529,7 +531,7 @@ public:
 };
 
 //! DSA with SHA-1, typedef'd for backwards compatibility
-typedef DSA2<SHA> DSA;
+typedef DSA2<SHA1> DSA;
 
 CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKey_GFP<DL_GroupParameters_DSA>;
 CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_GFP<DL_GroupParameters_DSA>;
diff --git a/ida.h b/ida.h
index 525a7d65..0532a816 100644
--- a/ida.h
+++ b/ida.h
@@ -1,7 +1,7 @@
 // ida.h - written and placed in the public domain by Wei Dai
 
 //! \file ida.h
-//! \brief Classes for Information Dispersal Algorithm (IDA)
+//! \brief Classes for Rabin's Information Dispersal and Shamir's Secret Sharing algorithms
 
 #ifndef CRYPTOPP_IDA_H
 #define CRYPTOPP_IDA_H
@@ -16,7 +16,9 @@
 
 NAMESPACE_BEGIN(CryptoPP)
 
-/// base class for secret sharing and information dispersal
+//! \class RawIDA
+//! \brief Secret sharing and information dispersal base class
+//! \since Crypto++ 1.0
 class RawIDA : public AutoSignaling<Unflushable<Multichannel<Filter> > >
 {
 public:
@@ -61,10 +63,15 @@ protected:
 	SecBlock<word32> m_u, m_w, m_y;
 };
 
-/// a variant of Shamir's Secret Sharing Algorithm
+//! \class SecretSharing
+//! \brief Shamir's Secret Sharing Algorithm
+//! \details SecretSharing is a variant of Shamir's secret sharing algorithm
+//! \sa SecretRecovery, SecretRecovery, InformationDispersal, InformationRecovery
+//! \since Crypto++ 1.0
 class SecretSharing : public CustomFlushPropagation<Filter>
 {
 public:
+	//! \brief Construct a SecretSharing
 	SecretSharing(RandomNumberGenerator &rng, int threshold, int nShares, BufferedTransformation *attachment=NULL, bool addPadding=true)
 		: m_rng(rng), m_ida(new OutputProxy(*this, true))
 	{
@@ -82,10 +89,15 @@ protected:
 	bool m_pad;
 };
 
-/// a variant of Shamir's Secret Sharing Algorithm
+//! \class SecretRecovery
+//! \brief Shamir's Secret Sharing Algorithm
+//! \details SecretSharing is a variant of Shamir's secret sharing algorithm
+//! \sa SecretRecovery, SecretRecovery, InformationDispersal, InformationRecovery
+//! \since Crypto++ 1.0
 class SecretRecovery : public RawIDA
 {
 public:
+	//! \brief Construct a SecretRecovery
 	SecretRecovery(int threshold, BufferedTransformation *attachment=NULL, bool removePadding=true)
 		: RawIDA(attachment)
 		{IsolatedInitialize(MakeParameters("RecoveryThreshold", threshold)("RemovePadding", removePadding));}
@@ -100,9 +112,16 @@ protected:
 };
 
 /// a variant of Rabin's Information Dispersal Algorithm
+
+//! \class InformationDispersal
+//! \brief Rabin's Information Dispersal Algorithm
+//! \details InformationDispersal is a variant of Rabin's information dispersal algorithm
+//! \sa SecretRecovery, SecretRecovery, InformationDispersal, InformationRecovery
+//! \since Crypto++ 1.0
 class InformationDispersal : public CustomFlushPropagation<Filter>
 {
 public:
+	//! \brief Construct a InformationDispersal
 	InformationDispersal(int threshold, int nShares, BufferedTransformation *attachment=NULL, bool addPadding=true)
 		: m_ida(new OutputProxy(*this, true)), m_pad(false), m_nextChannel(0)
 	{
@@ -120,10 +139,15 @@ protected:
 	unsigned int m_nextChannel;
 };
 
-/// a variant of Rabin's Information Dispersal Algorithm
+//! \class InformationRecovery
+//! \brief Rabin's Information Dispersal Algorithm
+//! \details InformationDispersal is a variant of Rabin's information dispersal algorithm
+//! \sa SecretRecovery, SecretRecovery, InformationDispersal, InformationRecovery
+//! \since Crypto++ 1.0
 class InformationRecovery : public RawIDA
 {
 public:
+	//! \brief Construct a InformationRecovery
 	InformationRecovery(int threshold, BufferedTransformation *attachment=NULL, bool removePadding=true)
 		: RawIDA(attachment), m_pad(false)
 		{IsolatedInitialize(MakeParameters("RecoveryThreshold", threshold)("RemovePadding", removePadding));}
diff --git a/idea.h b/idea.h
index 501308b2..dc1981b8 100644
--- a/idea.h
+++ b/idea.h
@@ -13,6 +13,7 @@ NAMESPACE_BEGIN(CryptoPP)
 
 //! \class IDEA_Info
 //! \brief IDEA block cipher information
+//! \since Crypto++ 1.0
 struct IDEA_Info : public FixedBlockSize<8>, public FixedKeyLength<16>, public FixedRounds<8>
 {
 	CRYPTOPP_CONSTEXPR static const char *StaticAlgorithmName() {return "IDEA";}
@@ -21,6 +22,7 @@ struct IDEA_Info : public FixedBlockSize<8>, public FixedKeyLength<16>, public F
 //! \class IDEA
 //! \brief IDEA block cipher
 //! \sa <a href="http://www.weidai.com/scan-mirror/cs.html#IDEA">IDEA</a>
+//! \since Crypto++ 1.0
 class IDEA : public IDEA_Info, public BlockCipherDocumentation
 {
 public:		// made public for internal purposes
diff --git a/md5.h b/md5.h
index d3791230..6baadd6e 100644
--- a/md5.h
+++ b/md5.h
@@ -7,7 +7,10 @@ NAMESPACE_BEGIN(CryptoPP)
 
 namespace Weak1 {
 
-//! <a href="http://www.cryptolounge.org/wiki/MD5">MD5</a>
+//! \class MD5
+//! \brief MD5 message digest
+//! \sa <a href="http://www.cryptolounge.org/wiki/MD5">MD5</a>
+//! \since Crypto++ 1.0
 class MD5 : public IteratedHashWithStaticTransform<word32, LittleEndian, 64, 16, MD5>
 {
 public:
diff --git a/rc5.h b/rc5.h
index b76a5217..feab5fbd 100644
--- a/rc5.h
+++ b/rc5.h
@@ -13,6 +13,7 @@ NAMESPACE_BEGIN(CryptoPP)
 
 //! \class RC5_Info
 //! \brief RC5 block cipher information
+//! \since Crypto++ 1.0
 struct RC5_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 0, 255>, public VariableRounds<16>
 {
 	CRYPTOPP_CONSTEXPR static const char *StaticAlgorithmName() {return "RC5";}
@@ -22,6 +23,7 @@ struct RC5_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 0, 255>
 //! \class RC5
 //! \brief RC5 block cipher
 //! \sa <a href="http://www.weidai.com/scan-mirror/cs.html#RC5">RC5</a>
+//! \since Crypto++ 1.0
 class RC5 : public RC5_Info, public BlockCipherDocumentation
 {
 	class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<RC5_Info>
diff --git a/rsa.h b/rsa.h
index df401043..a7529e90 100644
--- a/rsa.h
+++ b/rsa.h
@@ -20,6 +20,7 @@ NAMESPACE_BEGIN(CryptoPP)
 
 //! \class RSAFunction
 //! \brief RSA trapdoor function using the public key
+//! \since Crypto++ 1.0
 class CRYPTOPP_DLL RSAFunction : public TrapdoorFunction, public X509PublicKey
 {
 	typedef RSAFunction ThisClass;
@@ -59,6 +60,7 @@ protected:
 
 //! \class InvertibleRSAFunction
 //! \brief RSA trapdoor function using the private key
+//! \since Crypto++ 1.0
 class CRYPTOPP_DLL InvertibleRSAFunction : public RSAFunction, public TrapdoorFunctionInverse, public PKCS8PrivateKey
 {
 	typedef InvertibleRSAFunction ThisClass;
@@ -132,6 +134,7 @@ protected:
 
 //! \class RSAFunction_ISO
 //! \brief RSA trapdoor function using the public key
+//! \since Crypto++ 1.0
 class CRYPTOPP_DLL RSAFunction_ISO : public RSAFunction
 {
 public:
@@ -141,6 +144,7 @@ public:
 
 //! \class InvertibleRSAFunction_ISO
 //! \brief RSA trapdoor function using the private key
+//! \since Crypto++ 1.0
 class CRYPTOPP_DLL InvertibleRSAFunction_ISO : public InvertibleRSAFunction
 {
 public:
@@ -150,6 +154,7 @@ public:
 
 //! \class RSA
 //! \brief RSA algorithm
+//! \since Crypto++ 1.0
 struct CRYPTOPP_DLL RSA
 {
 	CRYPTOPP_CONSTEXPR static const char * CRYPTOPP_API StaticAlgorithmName() {return "RSA";}
@@ -161,6 +166,7 @@ struct CRYPTOPP_DLL RSA
 //! \brief RSA encryption algorithm
 //! \tparam STANDARD signature standard
 //! \sa <a href="http://www.weidai.com/scan-mirror/ca.html#RSA">RSA cryptosystem</a>
+//! \since Crypto++ 1.0
 template <class STANDARD>
 struct RSAES : public TF_ES<STANDARD, RSA>
 {
@@ -172,6 +178,7 @@ struct RSAES : public TF_ES<STANDARD, RSA>
 //! \tparam H hash transformation
 //! \details See documentation of PKCS1v15 for a list of hash functions that can be used with it.
 //! \sa <a href="http://www.weidai.com/scan-mirror/sig.html#RSA">RSA signature scheme with appendix</a>
+//! \since Crypto++ 1.0
 template <class STANDARD, class H>
 struct RSASS : public TF_SS<STANDARD, H, RSA>
 {
@@ -179,6 +186,7 @@ struct RSASS : public TF_SS<STANDARD, H, RSA>
 
 //! \class RSA_ISO
 //! \brief RSA algorithm
+//! \since Crypto++ 1.0
 struct CRYPTOPP_DLL RSA_ISO
 {
 	CRYPTOPP_CONSTEXPR static const char * CRYPTOPP_API StaticAlgorithmName() {return "RSA-ISO";}
@@ -189,6 +197,7 @@ struct CRYPTOPP_DLL RSA_ISO
 //! \class RSASS_ISO
 //! \brief RSA signature algorithm
 //! \tparam H hash transformation
+//! \since Crypto++ 1.0
 template <class H>
 struct RSASS_ISO : public TF_SS<P1363_EMSA2, H, RSA_ISO>
 {
@@ -211,25 +220,31 @@ DOCUMENTED_TYPEDEF(RSAES<OAEP<SHA> >::Encryptor, RSAES_OAEP_SHA_Encryptor);
 #ifdef CRYPTOPP_DOXYGEN_PROCESSING
 //! \brief \ref RSASS<STANDARD,HASH> "RSASS<PKCS1v15,SHA>::Signer" typedef
 //! \details RSA signature schemes defined in PKCS #1 v2.0
+//! \since Crypto++ 1.0
 class RSASSA_PKCS1v15_SHA_Signer : public RSASS<PKCS1v15,SHA>::Signer {};
 //! \brief \ref RSASS<STANDARD,HASH> "RSASS<PKCS1v15,SHA>::Verifier" typedef
 //! \details RSA signature schemes defined in PKCS #1 v2.0
+//! \since Crypto++ 1.0
 class RSASSA_PKCS1v15_SHA_Verifier : public RSASS<PKCS1v15,SHA>::Verifier {};
 
 namespace Weak {
 
 //! \brief \ref RSASS<STANDARD,HASH> "RSASS<PKCS1v15, Weak::MD2>::Signer" typedef
 //! \details RSA signature schemes defined in PKCS #1 v2.0
+//! \since Crypto++ 1.0
 class RSASSA_PKCS1v15_MD2_Signer : public RSASS<PKCS1v15, Weak1::MD2>::Signer {};
 //! \brief \ref RSASS<STANDARD,HASH> "RSASS<PKCS1v15, Weak::MD2>::Verifier" typedef
 //! \details RSA signature schemes defined in PKCS #1 v2.0
+//! \since Crypto++ 1.0
 class RSASSA_PKCS1v15_MD2_Verifier : public RSASS<PKCS1v15, Weak1::MD2>::Verifier {};
 
 //! \brief \ref RSASS<STANDARD,HASH> "RSASS<PKCS1v15, Weak::MD5>::Signer" typedef
 //! \details RSA signature schemes defined in PKCS #1 v2.0
+//! \since Crypto++ 1.0
 class RSASSA_PKCS1v15_MD5_Signer : public RSASS<PKCS1v15, Weak1::MD5>::Signer {};
 //! \brief \ref RSASS<STANDARD,HASH> "RSASS<PKCS1v15, Weak::MD5>::Verifier" typedef
 //! \details RSA signature schemes defined in PKCS #1 v2.0
+//! \since Crypto++ 1.0
 class RSASSA_PKCS1v15_MD5_Verifier : public RSASS<PKCS1v15, Weak1::MD5>::Verifier {};
 }
 
diff --git a/sha.h b/sha.h
index 86151cc2..f22d0cff 100644
--- a/sha.h
+++ b/sha.h
@@ -18,7 +18,10 @@
 
 NAMESPACE_BEGIN(CryptoPP)
 
-/// <a href="http://www.weidai.com/scan-mirror/md.html#SHA-1">SHA-1</a>
+//! \class SHA1
+//! \brief SHA-1 message digest
+//! \sa <a href="http://www.weidai.com/scan-mirror/md.html#SHA-1">SHA-1</a>
+//! \since Crypto++ 1.0
 class CRYPTOPP_DLL SHA1 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 20, SHA1>
 {
 public:
@@ -29,7 +32,10 @@ public:
 
 typedef SHA1 SHA;	// for backwards compatibility
 
-//! implements the SHA-256 standard
+//! \class SHA256
+//! \brief SHA-256 message digest
+//! \sa <a href="http://www.weidai.com/scan-mirror/md.html#SHA-256">SHA-256</a>
+//! \since Crypto++ 4.0
 class CRYPTOPP_DLL SHA256 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA256, 32, true>
 {
 public:
@@ -41,7 +47,10 @@ public:
 	CRYPTOPP_CONSTEXPR static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-256";}
 };
 
-//! implements the SHA-224 standard
+//! \class SHA224
+//! \brief SHA-224 message digest
+//! \sa <a href="http://www.weidai.com/scan-mirror/md.html#SHA-224">SHA-224</a>
+//! \since Crypto++ 4.0
 class CRYPTOPP_DLL SHA224 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA224, 28, true>
 {
 public:
@@ -53,7 +62,10 @@ public:
 	CRYPTOPP_CONSTEXPR static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-224";}
 };
 
-//! implements the SHA-512 standard
+//! \class SHA512
+//! \brief SHA-512 message digest
+//! \sa <a href="http://www.weidai.com/scan-mirror/md.html#SHA-512">SHA-512</a>
+//! \since Crypto++ 4.0
 class CRYPTOPP_DLL SHA512 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA512, 64, (CRYPTOPP_BOOL_X86|CRYPTOPP_BOOL_X32)>
 {
 public:
@@ -62,7 +74,10 @@ public:
 	CRYPTOPP_CONSTEXPR static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-512";}
 };
 
-//! implements the SHA-384 standard
+//! \class SHA384
+//! \brief SHA-384 message digest
+//! \sa <a href="http://www.weidai.com/scan-mirror/md.html#SHA-384">SHA-384</a>
+//! \since Crypto++ 4.0
 class CRYPTOPP_DLL SHA384 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA384, 48, (CRYPTOPP_BOOL_X86|CRYPTOPP_BOOL_X32)>
 {
 public:
diff --git a/wake.h b/wake.h
index 972216d3..14c38140 100644
--- a/wake.h
+++ b/wake.h
@@ -15,6 +15,7 @@ NAMESPACE_BEGIN(CryptoPP)
 //! \class WAKE_OFB_Info
 //! \brief WAKE stream cipher information
 //! \tparam B Endianess of the stream cipher
+//! \since Crypto++ 1.0
 template <class B = BigEndian>
 struct WAKE_OFB_Info : public FixedKeyLength<32>
 {
@@ -34,6 +35,7 @@ protected:
 //! \class WAKE_Policy
 //! \brief WAKE stream cipher operation
 //! \tparam B Endianess of the stream cipher
+//! \since Crypto++ 1.0
 template <class B = BigEndian>
 class CRYPTOPP_NO_VTABLE WAKE_Policy : public AdditiveCipherConcretePolicy<word32, 1, 64>, protected WAKE_Base
 {
@@ -47,6 +49,7 @@ protected:
 //! \class WAKE_OFB
 //! \brief WAKE stream cipher
 //! \tparam B Endianess of the stream cipher
+//! \since Crypto++ 1.0
 template <class B = BigEndian>
 struct WAKE_OFB : public WAKE_OFB_Info<B>, public SymmetricCipherDocumentation
 {
diff --git a/zdeflate.h b/zdeflate.h
index f6b42c21..a1608901 100644
--- a/zdeflate.h
+++ b/zdeflate.h
@@ -12,7 +12,9 @@
 
 NAMESPACE_BEGIN(CryptoPP)
 
+//! \class LowFirstBitWriter
 //! \brief Encoding table writer
+//! \since Crypto++ 1.0
 class LowFirstBitWriter : public Filter
 {
 public:
@@ -36,6 +38,8 @@ protected:
 };
 
 //! \class HuffmanEncoder
+//! \brief Huffman Encoder
+//! \since Crypto++ 1.0
 class HuffmanEncoder
 {
 public:
@@ -70,6 +74,7 @@ public:
 
 //! \class Deflator
 //! \brief DEFLATE compressor (RFC 1951)
+//! \since Crypto++ 1.0
 class Deflator : public LowFirstBitWriter
 {
 public:
diff --git a/zinflate.h b/zinflate.h
index 8c08ed08..26017261 100644
--- a/zinflate.h
+++ b/zinflate.h
@@ -8,7 +8,8 @@
 
 NAMESPACE_BEGIN(CryptoPP)
 
-//! _
+//! \class LowFirstBitReader
+//! \since Crypto++ 1.0
 class LowFirstBitReader
 {
 public:
@@ -29,7 +30,9 @@ private:
 
 struct CodeLessThan;
 
-//! Huffman Decoder
+//! \class HuffmanDecoder
+//! \brief Huffman Decoder
+//! \since Crypto++ 1.0
 class HuffmanDecoder
 {
 public:
@@ -83,8 +86,9 @@ private:
 	mutable std::vector<LookupEntry, AllocatorWithCleanup<LookupEntry> > m_cache;
 };
 
-//! DEFLATE (RFC 1951) decompressor
-
+//! \class Inflator
+//! \brief DEFLATE decompressor (RFC 1951)
+//! \since Crypto++ 1.0
 class Inflator : public AutoSignaling<Filter>
 {
 public: