Submarine Pioneers. Sutton Publishing. 1999. ISBN 0-7509-2154-4. Diamant, Lincoln. Chaining the Hudson: The Fight for the River in the American Revolution. New
Payette, Sandy. Hopper and Dijkstra: Crisis, Revolution, and the Future of Programming. IEEE Annals ofthe History of Computing. 2014, 36 (4): 64–73 [2018-04-03]