Microsoft OS/2 SDK 1.02
Released December 1987 by Microsoft
For DOS with Microsoft C

Microsoft OS/2 SDK 1.02 includes:
- The final Microsoft OS/2 1.0
- MASM 5.00A
- Microsoft C Compiler 5.1 beta
- Almost complete tools, libraries, examples, and documentation.

According the pcjs site, this archive may be missing a "network"
disk, but the install can be completed by creating an empty disk.

There is more info about the 1.02 SDK here:
https://www.pcjs.org/disks/pcx86/tools/microsoft/os2/sdk/1.02/

Also see: 
http://web.archive.org/web/20150218015420/http://www.os2museum.com/wp
/os2-history/os2-beginnings/
