Windows NT Design Workbook (1990)

One will want to be cautious because it seems this site is just some person's own archive site, as evidenced by computernewb[.]com/~lily/files/Misc/windows_2000_source_code.7z computernewb[.]com/~lily/files/Misc/windows_nt_4_source_code.7z and the one .pdf I checked cites "Copyright (c) Microsoft Corporation - Use subject to the Windows Research Kernel License" which I believe is a disqualifying artifact for Wine and ReactOS contributions

separately, I believe its full title is "NT OS/2 Design Workbook: Core OS" as is present in TOC.mht but I don't know what to make about <o:Created>2006-06-18T03:08:00Z</o:Created> therein