History of Cryptology "Communications Security" Third Period, William F. Friedman with 35 Slides
History of Cryptology, " the Influence of C-Power (Cryptologic ) on History" Second Period with 9 Slides, William F. Friedman
History of Cryptology, Address to Staff and Students Senior School USMC " Communications Intelligence and Communication Security" First Period Modified, with 34 Slides
Lecture to Marine Corps, Draft and Corrections No. 2
Presentation AS Modified and Delivered on 26 April 1960, Before Staff and Student Officers of Advanced Officers Course USMC, Quantico, VA.; Marine Corps Lecture Series, William F. Friedman
U. S. Marine Corps Lecture, 1st Draft; William F. Friedman: Marine Corps Lecture Series