https://www.computinghistory.org.uk/cgi/archive.pl?type=Books&platform=&author=Brian%20W.%20Kernighan,%20Dennis%20M.%20Ritchie,&publisher=&order=Publisher
Computing Books written by Brian W. Kernighan, Dennis M. Ritchie, at the Centre for Computing...
The UK Computer and Videogame Museum
dennis m ritchiewritten byat thecomputingbooks