archive.org has the following pre-dotnet edition of MSDN Library - you'll find a lot of COM info in it:

https://archive.org/details/MSDN_Library_October_2001_Disc_1

https://archive.org/details/MSDN_Library_October_2001_Disc_2

https://archive.org/details/MSDN_Library_October_2001_Disc_3