Smalltalk 80: The Interactive Programming Environment by Goldberg Hardback Book

SmallTalk 80: The Language by Adele Goldberg: Used

SmallTalk 80:The Language by Adele Goldberg & David Robson 1989 Trade Paperback

SmallTalk 80: The Language by Goldberg, Adele; Robson, David

Advanced Programming In The Unix Environment by Stevens Rago 3ED-9789332575905

Smalltalk 80: The Language - paperback Goldberg, Adele|Robson, David

The Unix Programming Environment by Kernighan, Brian; Pike, Rob

UNIX Programming Environment Rob Pike Brian Kernighan 1984 Bell Labs