diff --git a/cryptdll.vcxproj b/cryptdll.vcxproj
index cc4cd058..abf6e0b4 100644
--- a/cryptdll.vcxproj
+++ b/cryptdll.vcxproj
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!-- Microsoft documentation for VCXPROJ file format is located at the following URL. -->
+  <!-- The documentation leaves a lot to be desired. -->
+  <!-- https://msdn.microsoft.com/en-us/library/2208a1f2.aspx -->
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -18,6 +21,9 @@
       <Platform>x64</Platform>
     </ProjectConfiguration>
   </ItemGroup>
+  <!-- Microsoft documentation clearly shows the Global property group -->
+  <!-- preceeds the import of Cpp.Default.props and Cpp.props -->
+  <!-- https://msdn.microsoft.com/en-us/library/2208a1f2.aspx -->
   <PropertyGroup Label="Globals">
     <ProjectGuid>{94a428a1-9ba8-4db2-b76e-bd2e3c08f257}</ProjectGuid>
     <RootNamespace>cryptdll</RootNamespace>
diff --git a/cryptest.vcxproj b/cryptest.vcxproj
index 534d5478..273ef2a4 100644
--- a/cryptest.vcxproj
+++ b/cryptest.vcxproj
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!-- Microsoft documentation for VCXPROJ file format is located at the following URL. -->
+  <!-- The documentation leaves a lot to be desired. -->
+  <!-- https://msdn.microsoft.com/en-us/library/2208a1f2.aspx -->
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -39,6 +42,9 @@
   <PropertyGroup Label="Globals">
     <DefaultPlatformToolset>v100</DefaultPlatformToolset>
   </PropertyGroup>
+  <!-- Microsoft documentation clearly shows the Global property group -->
+  <!-- preceeds the import of Cpp.Default.props and Cpp.props -->
+  <!-- https://msdn.microsoft.com/en-us/library/2208a1f2.aspx -->
   <PropertyGroup Label="Globals">
     <ProjectGuid>{09cdac08-e6ae-48a9-8de7-0fbc779eebde}</ProjectGuid>
     <RootNamespace>cryptest</RootNamespace>
diff --git a/cryptlib.vcxproj b/cryptlib.vcxproj
index cfb3c91d..85a0fba2 100644
--- a/cryptlib.vcxproj
+++ b/cryptlib.vcxproj
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!-- Microsoft documentation for VCXPROJ file format is located at the following URL. -->
+  <!-- The documentation leaves a lot to be desired. -->
+  <!-- https://msdn.microsoft.com/en-us/library/2208a1f2.aspx -->
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -39,6 +42,9 @@
   <PropertyGroup Label="Globals">
     <DefaultPlatformToolset>v100</DefaultPlatformToolset>
   </PropertyGroup>
+  <!-- Microsoft documentation clearly shows the Global property group -->
+  <!-- preceeds the import of Cpp.Default.props and Cpp.props -->
+  <!-- https://msdn.microsoft.com/en-us/library/2208a1f2.aspx -->
   <PropertyGroup Label="Globals">
     <ProjectGuid>{c39f4b46-6e89-4074-902e-ca57073044d2}</ProjectGuid>
     <RootNamespace>cryptlib</RootNamespace>
diff --git a/dlltest.vcxproj b/dlltest.vcxproj
index c1b61b24..085abcdf 100644
--- a/dlltest.vcxproj
+++ b/dlltest.vcxproj
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!-- Microsoft documentation for VCXPROJ file format is located at the following URL. -->
+  <!-- The documentation leaves a lot to be desired. -->
+  <!-- https://msdn.microsoft.com/en-us/library/2208a1f2.aspx -->
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -18,6 +21,9 @@
       <Platform>x64</Platform>
     </ProjectConfiguration>
   </ItemGroup>
+  <!-- Microsoft documentation clearly shows the Global property group -->
+  <!-- preceeds the import of Cpp.Default.props and Cpp.props -->
+  <!-- https://msdn.microsoft.com/en-us/library/2208a1f2.aspx -->
   <PropertyGroup Label="Globals">
     <ProjectGuid>{1974a53a-9863-41c9-886d-b2b8c2fc3c8b}</ProjectGuid>
     <RootNamespace>dlltest</RootNamespace>