Research UNIX
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1st Edition	November 3, 1971	[QCU]	QCU= A Quarter Century of UNIX
2nd Edition	June 12, 1972		[QCU]	     Peter Salus
3rd Edition	February, 1973		[QCU]	     Addison-Wesley
4th Edition	November, 1973		[QCU]	     ISBN 0-201-54777-5
5th Edition	June, 1974		[QCU]
6th Edition	May, 1975		[QCU]   LWU= Life With UNIX
7th Edition	January, 1979		[QCU]	     Don Libes, Sandy Ressler
8th Edition	February, 1985		[QCU]	     Prentice-Hall
9th Edition	September, 1986		[QCU]	     ISBN 0-13-536657-7
10th Edition	October, 1989		[QCU]
						SMS= Steven Schultz
USDL UNIX					     sms@moe.2bsd.com
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PWB/UNIX	June 1977 (in use)	[QCU]	KKK=
Mini-UNIX	around may 1977		[QCU]
32V		early 1979		[LWU]	KSJ=

BSD Releases
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1    BSD	March 9, 1978		[QCU]
2    BSD	mid 1978		[QCU]
3    BSD	late 1979		[QCU]
2.8  BSD        July, 1981		[KSJ]
2.8.1BSD        January, 1982		[QCU]
2.9  BSD        July, 1983		[KSJ]
2.9.1BSD        November, 1983
2.9  BSD-Seismo August, 1985		[SMS]
2.10 BSD	April, 1987		[KKK]
2.10.1BSD       January, 1989		[SMS]
2.11 BSD        February, 1992 		[SMS]
2.11 BSD #366   February, 1997		[SMS]