Sub doctrine and other publication links

[swdw]

Submarine Doctrine 1944
http://www.history.navy.mil/library/online/sub_doctrine.htm

Submarine Construction 1940-1943
http://www.history.navy.mil/colloquia/cch5d.htm

War Instructions United States Navy 1944
Chapter 9. Employment of Submarines
http://www.history.navy.mil/library/online/warinst-9.htm

British 1917 Submarine tactics
http://www.history.navy.mil/library/online/onipubno23.htm

[Rockin Robbins]

Already quoted the first link in another thread!