Army Extension Courses, Advanced Military Cryptography Special Text No. 166, 1935 Edition (2 Copies) and 1943 Edition
Army Extension Courses, Solutions-Elementary Military Cryptography, 1943; Army Extension Courses, Sub Course, Elementary Military Cryptography Introduction and Lesson 1, 1943; Army Extension Courses, Elementary Military Cryptography, Special Text No. 165, 1935 Edition; Army Extension Courses, Elementary Military Cryptography, Special Text No. 165, 1943 Edition
Army Extension Courses, Special Text No. 166 Original Edition, Advanced Military Cryptography, 1931
Army Extension Courses, Sub Course, Military Cryptanalysis, Part III, Simple Types of Aperiodic Substitution System, 1938-1939 (Introduction and Lesson 1)
Army Extension Courses, Sub Course: Military Cryptanalysis Part I, Monoalphabetic Substitution System, Lesson Assignment Sheets, 1936-1937
Army Extension Courses: Subcourse-Military Cryptanalysis Part II, Simpler Varieties of Polyalphabetic Substitution Systems, 1937
Army Security Agency (ASA) Discussion Topics Newsletters (1953), ASA Review Newsletters (May-June 1947, July-August 1947, May-June 1950), 1947-1953
Army Security Agency, Table of the Binomial Distribution, May 1946
Articles on Cryptography and Cryptanalysis Reprinted from the Signal Corps Bulletin, War Department of the Chief Signal Officer of the United States, 1942
Basis Cryptologic Glossary, 1955; Draft Samplings for the Unabridged Cryptologic Glossary, 1955
Book Foreword "Weitzenbock, Dr. Roland Invariantentheorie, P. Noordhoff, 1923, Groningen" with Comment by Friedman, 1954
Department of the Army Technical Manual (Tm) 32-250/Department of the Air Force Manual (Afm) 100-80, Fundamentals of Traffic Analysis (Radio-Telegraph), 1948
Department of the Army, Office of the Chief of Military History, German Radio Intelligence, Albert Praun, 1950 (2 Copies with Different Classifications), Including Memoranda Regarding the Document, 1953
Directorate of Intelligence, Headquarters of the United States Air Force, Indications List (Indications of Soviet Preparations to Initiate General War and Indications of Soviet Preparations to Launch an Atomic Air Assault Against Continental United States), 1953; Basic Cryptologic Glossary (Draft), 1954
Extension Course of the Army Security Agency, Sub Course 20-6, Military Cryptanalysis, Part I, Monoalphabetic Substitution Systems, June 1947
Friedman's Copies of Army Regulations, Classification Marking and Safeguarding Military Information (AR-70, 330-5, 105-5, 105-25), 1922-1946
Fundamentals of Transmission Security-Joint, 1952
Military Cryptanalysis Part 1, Appendix 2, Cryptanalyst's Manual, List of Words Used In Military Text Arranged Alphabetically According to Word Length, November 1946
Military Cryptanalysis, Part I, Monoalphabetic Substitution Systems, by William Friedman, 1936
Military Cryptanalysis: Part II Simpler Varieties of Polyalphabetic Substitution Systems by William F. Friedman Principal Cryptanalyst, Prepared Under the Direction of the Chief Signal Officer, 1937
Military Cryptanalysis: Part III Aperiodic Substitution Systems by William F. Friedman, Principal Cryptanalyst, Signal Intelligence Service, Prepared Under the Direction of the Chief Signal Officer, 1938
National Security Agency, Course In Military Cryptanalysis, Part 1, December 1952
National Security Agency, Military Cryptanalysis, Part I, Course Lesson #8, 9, 10, 1941-1956
National Security Agency, Military Cryptanalysis, Part I, Fourth Edition, by William Friedman, Revised and Enlarged by Lambros D. Callimahos, December 1952
National Security Agency, Military Cryptanalysis, Part II, by Lambros Callimahos and William Friedman, Interim Edition (Second and Third Sections), February 1958
National Security Agency, Military Cryptanalysis, Part II, Interim Edition (First Section), by William Friedman and Lambros Callimahos, December 1955
National Security Agency, Military Cryptanalytics, by William F. Friedman and Lambros D. Callimahos Part I, April 1956 (This Copy Includes A Dedication from Callimahos to Friedman, Which In Turn Is Spelling Out A Message "Bacon Did Not Write This Work."
National Security Agency, Military Cryptanalytics, Part I, by William Friedman and Lambros D. Callimahos, December 1952
National Security Agency, Office of Training Services, Codes and Ciphers (Cryptology) by William F. Friedman, 1961
National Security Agency, Problem Book, Course, Military Cryptanalytics Part 1, May 1954
National Security Agency, Training Division, Problems In Depth-Reading, June 1954; Problems In the Cryptanalysis of the Zen-40 Cipher Machine, June 1954
NSA Regulation, NSA Civilian Personnel Screening Board and Appointments to the NSA Civilian Personnel Screening Board, 1952-1954
NSA-725, Crypto-Linguistic Working Aid No. 3, Russian Dictionary Reverse Alphabetic Sort, June 1955
Publication, the Friedman Lectures on Cryptology by William F. Friedman, 1965.
Report on German Military Ciphers with Corrections from William F. Friedman, 1918
Report, Brochure, and Photographs of the Hand-Driven Ciphering Machine, Type Hc-4, 1954
Riverbank Laboratory Publications: Synoptic Tables for the Solution of Ciphers and Bibliography of Cipher Literature, 1918; Methods for the Reconstruction of Primary Alphabets, 1918; the Production and Detection of Messages In Concealed Writing and Images, 1918
Saturday Evening Post, Including Article Called "Are We Stifling The Inventors?" by Captain George N. Robillard, US Navy, 9 June 1951
Technical Paper by Abraham Sinkov, Junior Cryptanalyst, Permutation Tables Involving A Feature of Non-Transposability, War Department, Office of the Chief Signal Officer, 1934
Technical Paper by Frank B. Rowlett, Junior Cryptanalyst, Further Applications of the Principles of Indirect Symmetry of Position In Secondary Alphabets, War Department, Office of the Chief Signal Officer, 1935
Technical Paper by Solomon Kullback, Associate Cryptanalyst, Statistical Methods In Cryptanalysis, Revised Edition, War Department, Office of the Chief Signal Officer, 1938
Technical Paper by Solomon Kullback, PH.D., Junior Cryptanalyst of the Signal Intelligence Section, War Plans and Training Division, General Solution for the Double Transposition Cipher, 1934
Technical Paper by William Friedman, Cryptanalyst, Chief of Signal Intelligence Section, Principles of Indirect Symmetry of Position In Secondary Alphabets and Their Application In the Solution of Polyalphabetic Substitution Ciphers, War Department, Office of the Chief Signal Officer, 1935
Technical Paper by William Friedman, the Index of Coincidence and Its Applications In Cryptanalysis, War Department, Office of the Chief Signal Officer, 1935 (Reproduction Copy)
Technical Paper of the Signal Intelligence Section War Plans and Training Division, Notes on the Liaison Service and the Liaison Intelligence Service of the German Army During the World War, War Department, Office of the Chief Signal Officer, 1935
Technical Paper of the Signal Intelligence Section, War Plans and Training Division, Principles of Solution of Military Field Codes Used by the German Army In 1917, 1935
Technical Paper, War Department, Office of the Chief Signal Officer, Field Codes Used by the German Army During the World War, by William F. Friedman, 1935
Technical Support Manual, TEXTA Manual, 1955
the Contribution of the Cryptographic Bureaus In the World War, War Department, Office of the Chief Signal Officer, Reprinted from Signal Corps Bulletin Nos. 75-81, 1935
the Index of Coincidence, January 1955 (with Signed Dedication to William Friedman by Howard Campaigne), Statistics for Cryptology 1955
the Signal Corps Bulletin No. 97, the War Department, Office of the Chief Signal Officer of the United States, July-Sept 1937
Tm 32-220 Basic Cryptography, April 1950
Training Course Material from Col. Tiltman to Friedman, Signals Intelligence Course Volume I: Explanatory Text and Short Exercises, Volume II: Solutions. Includes Computer Tabulated Figures for the Exercises and Three Cardboard Discs for Encoding and Decoding the Course Material, 1942
Training Pamphlet No. 3, Elements of Cryptanalysis, May 1923
War Department Office of the Chief Signal Officer, Military Cryptanalysis Part IV, Transposition and Fractionating Systems, by William Friedman, Principal Cryptanalysis, Signal Intelligence Officer (Preliminary Edition), 1939
War Department Office of the Chief Signal Officer, Washington. Final Report of the Radio Intelligence Section, General Staff General Headquarters American Expeditionary Forces, Register No. 181, Technical Paper of the Signal Intelligence Section War Plans & Training Division, 1935
War Department Technical Manual (Tm) 11-380 Converter M-209, M-209-A, M-209-B Cipher 17 March 1944
War Department, American Army Field Codes In the American Expeditionary Forces During the First World War, by William F. Friedman, June 1942
War Department, Arlington Hall Message and Code Center, Procedures and Processing Times, 1943
War Department, Division Field Code Book No. 4, 1922
War Department, Office of the Chief Signal Officer, Military Cryptanalysis Part IV, Transposition and Fractionating Systems, by William Friedman, 1941
War Department, Office of the Chief Signal Officer, Military Cryptanalysis, by William Friedman Part I, Third Edition, 1942
War Department, Office of the Chief Signal Officer, Military Cryptanalysis, by William Friedman, Part I Monoalphabetic Substitution Systems & Part II Simple Varieties of Polyalphabetic Substitution Systems, 1938
War Department, Office of the Chief Signal Officer, Military Cryptanalysis, Part II, Simpler Varieties of Polyalphabetic Substitution Systems, by William Friedman, 1937 and 1943 Third Edition
War Department, Office of the Chief Signal Officer, Military Cryptanalysis, Part II, Simpler Varieties of Polyalphabetic Substitution Systems, by William Friedman, 1938 and Two Copies of 1941 (One Copy with Minor Revisions)
War Department, Office of the Chief Signal Officer, Military Cryptanalysis, Part III, 1939 (with Minor Revisions); Solution of Progressive-Alphabet Cipher with Unknown Mixed Primary Alphabets; Solution of Progressive-Alphabet Cipher with Standard Plaintext Alphabet and Unknown Mixed Cipher Alphabet; Solution of Plain Text Auto Key Problem Using Unknown Identical Primaries by Paul H. Burdick, September 1941
War Department, Office of the Chief Signal Officer, Studies In German Diplomatic Codes Employed During the World War: Code 18470 and Its Derivatives, the "Fuenfbuchstabenheft, German Methods Of Code Encipherment, By Charles J. Mendelshon, 1937
War Department, Office of the Chief Signal Officer, Technical Paper of the Signal Intelligence Section War Plans and Training Division, German Military Ciphers from February to November, 1918, 1935 (with Notes Regarding the Copy Held at the Library of Congress)
War Department, Office of the Chief Signal Officer, Technical Paper of the Signal Intelligence Section, War Plans and Training Division, General Solution for the ADFGVX Cipher System, 1934
War Secrets In the Ether Parts III by Wilhelm F. Flicke, Translated by Ray W. Pettengill, 1953
William Friedman's Copy of John C. Hartfield "Lisbonian" Selection of Roots and Terminals, Containing 21,323 Five Letter Words Equal to 454,670,329 Ten Letter Words, of A Clear, Euphonious and Pronounceable Character. with at Least 2 Letters Difference Between Each Group of 5 Letters, and Telegraphically Dissimilar by European and American Morse. Each Syllable of Which Is In Current Use and Can Be Verified by Dictionaries and the Official Vocabulary. In Strict Accordance with the Decision of the Lisbon Telegraph Conference, 1908, Governing the Use of Artificial Words. Compiled by John Charles Hartfield, 1911.