Lion, John Lion's Commentary on UNIX, 6th Ed. With Source Code. ITP Media Group, 1996. ISBN 1573980137

Raymond, Eric S. The New Hacker's Dictionary, 3rd edition. MIT Press, 1996. ISBN 0-262-68092-0. Also known as the Jargon File

Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing Company, Inc., 1994. ISBN 0-201-54777-5

Simon Garfinkel, Daniel Weise, Steven Strassmann. The UNIX-HATERS Handbook. IDG Books Worldwide, Inc., 1994. ISBN 1-56884-203-1. Не печаталась, доступна по адресу online.

Don Libes, Sandy Ressler Life with UNIX - special edition. Prentice-Hall, Inc., 1989. ISBN 0-13-536657-7

The BSD family tree. http://www.FreeBSD.org/cgi/cvsweb.cgi/src/share/misc/bsd-family-tree или /usr/share/misc/bsd-family-tree на компьютере FreeBSD.

The BSD Release Announcements collection. 1997. http://www.de.FreeBSD.org/de/ftp/releases/

Networked Computer Science Technical Reports Library. http://www.ncstrl.org/

Old BSD releases from the Computer Systems Research group (CSRG). http://www.mckusick.com/csrg/: В набор на 4CD включены все версии BSD от 1BSD до 4.4BSD и 4.4BSD-Lite2 (но к сожалению нет 2.11BSD). На последнем диске находится также последняя версия исходных текстов и файлы SCCS.