The Design and Implementation of the 4.4Bsd Operating System: Bostic, Keith, McKusick, Marshall Kirk, Karels, Michael J., Quaterman, John S.: 9780201549799: Amazon.com: Books
The number of files and LOC of BSD UNIX | Download Table
The 7 Best BSD-Based Operating Systems of All Time
Berkeley Software Distribution - Wikipedia
4.4 BSD Lite Export (Walnut Creek) (June 1994) : Free Download, Borrow, and Streaming : Internet Archive
LiteBSD | Virtually Fun
FreeBSD pages by K. Cem Karadeniz :.
GitHub - neilss/4.4BSD-Lite: source code referenced by 【TCP/IP Illustrated Volume 2: The Implementation】
history - What proprietary AT&T code/features were removed in BSD Net1 (/2), and BSD 4.4 Lite (/2) from the original 4.3BSD codebase? - Retrocomputing Stack Exchange