ftp.nice.ch/peanuts/GeneralData/Documents/NeXT/NextStep_Concepts.tar.gz

Concepts_v.1.0/
 
README
 

README

The files in the folder "Concepts_v.1.0" are identical to the "NeXTstep Concepts" manual from the hard-copy technical documentation shipped in the spring of 1991.  Unlike the "Reference" chapters, the "Concepts" chapters were not distributed as part of the 2.0 Extended or 2.1 Extended software releases.  (They are not available in electronic form directly from NeXT, but can be obtained from the Internet archive servers.)

Note that the "NeXTstep Concepts" chapters are based on Release 1.0; be sure to read the file Intro.rtf for details.  

See also the "Sound, Music, and Signal Processing Concepts" chapters, which are based on Release 2.0 and have probably been installed in /NextLibrary/Documentation/NextDev/SndMusicDSP/Concepts.

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.