A Brief History of Consolidated Special Information Dissemination Office (CONSIDO), by William Friedman, February 1952
A Method of Ciphering by Howard N. Smith and Howard W. Lewis, 1954
A Version of the Japanese Problem In the Signal Intelligence Service (Later Signal Security Agency), 1930-1945, by John B. Hurt, 1956
Air Defense Command (Adc), Memorandum and Related Papers Pertaining to an Air Defense Command Proposal for Improved Warning, USSR Attack Planning Plan: One Phase In the Methodology for Determining the Imminence of an Air Attack on the United States, 1953
Appendix 4, Service Terminology and Stereotypes, 1935
AR-380-5 Safeguarding Military Information, Draft with Revision Comments, 1948-1949
Armed Forces Security Agency (AFSA) Historical Study, the Colmar Compromise, 1952
Armed Forces Security Agency (AFSA) Report to the Joint Chiefs of Staff, Selection of A Site for the Proposed Cryptologic Establishment Outside the Washington Area (JCS 2010/32, 9 March 1951), and Documents Related to the Relationship Between AFSA and the Services, 1950-1955
Army Security Agency (ASA) Review-the War In the Ether-Cryptosecurity at Brest-Litovsk (Translated from Original German Materials by Dr. Ray W. Pettengill), 1951; the Tannenberg Story, 1952; Tannenberg: Finale and Discussion, 1952; Fixing the Positions of Agent Radio Stations, 1952; the Second Half of the War In the East, 1952; Polyps and Penkalas, 1952; the Rote Kapelle Case: Denouement and Exploitation of Successes, 1952; the Russian Radio Agent Service In 1942, 1951; and Preparations for the Polish War, 1951
Background Notes and Research Related to the Control Analysis Study Into the General Cryptanalytic Problem (I.E., the Production of Intelligence from Foreign Communications Other Than Those of the Japanese Army), Including Large Work Flow Diagrams and Production Analysis Worksheets, 1944-1945
Background Papers on Mechanization In Support of Communications Intelligence (COMINT), 1954
Biographical Histories of William F. Friedman Written by Lambros D. Callimahos, 1972 and 1974
Brief Descriptions of Cryptanalytic Machines Built by the Army and Navy In the 1940s and 1950s That Were In NSA (Including Photographs), First and Second Installment 1953-1954 (2 Folders)
Brief Descriptions of Cryptanalytic Machines Built by the Army and Navy In the 1940s and 1950s, Fourth Installment, 1954
Brief History of the Signal Intelligence Service, First Draft with W. Preston Corderman Edits, 1943
Briefing, Machines In the Service of Cryptanalysis, 1954; Edpm Type 701, Abner, Atlas I, Sled I, Skate II, and Demon II Photographs, 1954
British Assessment Report, Ardennes Battles, 1945
British Government Code and Cypher School Loyalty Declaration Made by Personnel Loyalty/Non-Disclosure Oath), 1941
Can Cryptologic History Repeat Itself? Being A Personal Account of A Cryptanalytic Challenge Which Involved A System and Which Was Successfully Met Before the Dawn of the Machine Age, by William F. Friedman, 21 July 1948
Can Cryptologic History Repeat Itself?: Being A Personal Account of A Cryptanalytic Challenge Which Was Successfully Met Before the Dawn of the Machine Age, by William F. Friedman, 21 July 1948
Categories of NSA Specialties, 1954
Changes Inside the Pentagon, Reprinted from the Harvard Business Review, 1954
Cipher Security Tests for War and State Departments, 1931-1932
Clearance File of Civilian Experts In Some Activity of Interest to the National Security Agency, A-K, 1953-1954
Clearance File of Civilian Experts In Some Activity of Interest to the National Security Agency, L-Z, 1952-1954
Color Photograph, Indicators Chart, 1953 (War Department General Staff-Wdgs-Oversize Material from Folder 065), 1953
Combined Services Detailed Interrogation Center (Csdic) Reports, Including Interrogation Reports of Italian and German Intelligence Officers, Military Personnel, and Police, 1944-1945
Communications Intelligence (COMINT)-Hard Facts In the Cold War by J/A/Meyer, 1958, and Correspondence Related to Publications, 1958
Compilations of Cipher Telegrams Related to the Zimmerman Telegram with Notes, 1917
Control Analysis Study Into the General Cryptanalytic Problem (I.E., the Production of Intelligence from Foreign Communications Other Than Those of the Japanese Army), 1945
Correspondence and Report on the Research Organization of the Armed Forces Security Agency by Engstrom, 1952-1954
Correspondence Related to Government Code and Cipher School (GC&CS) Army and Air Force Signals Intelligence (SIGINT) History, 1953-1954
Correspondence Related to the Proposed Purchase of Manuscripts Written by Colonel Andreas Figl, Formerly Chief Cryptographer of the Austro-Hungarian Army, 1949
Correspondence Related to Training Foreign Nationals In Use of Converter M-209, and Related Cryptographic Devices, and Report by the Research and Development Advisory Council to Director, National Security Agency Related to Murdock, 1954-1955
Correspondence with the Acme Code Company Regarding the Acme Commodity and Phrase Code, 1947
Correspondence, Memoranda, Agendas, Working Papers, Reports, Subjects Include: Technical Cryptanalytic Texts and Courses, Technical Support Group, Budgets and Relationships with Military Services, Cryptologic Equipment, Historical Background of Traffic Analysis and Communication Intelligence, Information Concerning Dr. Hans Rohrbach, Military Communications Objectives, 1946-1955 (2 Folders)
Correspondence, Memoranda, Reports, Analysis of Foreign Codes and Cipher Systems, US Cryptanalytic Accomplishments During World War I and World War II, 1917-1955
Correspondence, Memoranda, Working Notes, Diagrams, Dr. Grimsen, and Hagelin Laboratories, 1954-1957
Correspondence, Navy Regulations and Commercial Firms, 1945-1949
Correspondences Between the Honorable John F. Sonnett and Under Secretary of War and the Judge Advocate General About the Department of Justice Patent Policy Survey, 1945-1947
Cryptographic Codes and Ciphers: Spanish Convenience Code Book "Y", 1932
Defector Reports and Newspaper Clippings (Petrov), 1954-1955
Director of Naval Intelligence Memorandum Related to Security Leaks and Newspaper Clippings Related to William and Elizebeth Friedman Cryptanalytic Work, 1934-1941
Dr. Turkey Memorandum from J.S. Holtwick, Jr. Captain, US Navy, Deputy Chief of Staff Operations Related to A Report Made by the Land Subcommittee of Dr. Killian's Scientific Advisory Council to the President, 1955
Draft Proposed Regulation for A New Executive Control Conference, 1954
Early Warning-Special National Intelligence Estimate (SNIE), 1954
Extract from RIP 98, Appendix II (Pgs. 375-419)-American Measures Against Communication Intelligence Publicity, 5 April 1943
Federal Laws and Armed Forces Security Agency Memoranda, 1945-1952
Foreign Cryptographic Potentials Research File, 1941-1945
Friedman Analysis and Comments on the Superflex System, 1946-1954
Friedman Codes and Ciphers Encyclopedia Britannica Article, 1956
Friedman's History of Signals Intelligence Services, 1919-1943
Gee Narrative Account of A Broken One-Time Pad System, 1954
General Orders, Reorganization of Communications Security (1954); the National Communications Security Material Program (Current Equipments and Mid-Range Development and Current Cryptomaterial Production), September 1954; National Security Agency, Office of Communication Security Manual Organization and Functions, January 1954-Includes Organizational Charts
GS 12-GS 18 Seniority List, 1954
GS 12-GS 18 Seniority List, 1955
History of the US Naval Code and Signal Laboratory, 12 August 1950
Identification Friend or Foe (IFF) Proposal with Facilities for Secure Data Transmission by Carey C. Tison, 30 March 1955
Informal Notes and Draft Report on Laws Concerning US Cryptologic Activities, 1933-1959
Intercepted Message, Communications Security (COMSEC), 1952
Japanese Version of the Black Chamber (the Story of the Naval Secret Chamber), 1955
Joint Secretariat Memo No. 96, Instructions for Preparation of Reports for the Joint Chiefs of Staff, 1959
Le Logogriphe D'euler by Pierre Speziali from Stultifera Navis, Bulletin DE LA Societe Suisse Des Bibliophiles, No. 1/2, 1953
Lecture by A.B. Clark, Deputy Director R/D, 1955
Lecture on Field Operations by Mr. Herzog, Chief Field Operations Direction Group, 1954, Including Photographs
Lecture to the Naval War College by Capt J.N. Wenger, 1959
List of Countries Which Have Purchased Machines, 1951
Mechanical Translation Project Including Study on Proposals for the Mechanical Resolution of German Syntax Patterns, 1951
Mechanization In Support of Communications Intelligence (COMINT)-Phase I, II, III, 1954-1955
Memoranda and Correspondence Related to Non-Communications Security Surveillance Activities and Support of Communications Intelligence Activities, 1952
Memoranda and Newspaper Clippings Related to Vladivostok Incident and Radar-Electronic Intelligence, 1954
Memoranda and Reports Supplied to the Brownell Committee by Friedman, 1944-1954
Memoranda and Reports, Cryptologic Technical Intelligence of Foreign Nations, Including Procurement of Cryptologic Information, Value of Target Intelligence Committee (TICOM) Documents In Western Area Sections, Communications Intelligence Capabilities of Certain Governments, Soviet Sophistication In Communications Security and Communications Intelligence, and History of Collaboration Among Cryptologic Agencies Between 1909-1939, 1951-1952
Memoranda and Reports, Hagelin Communications Security (COMSEC) Equipment, 1951-1955
Memoranda and Reports, Resume of Work of the Code and Cipher Section, Annual Report of the Director of Communications Research, Evaluation Studies, 1921-1946
Memoranda Regarding Preparation and Format of NSA's Long-Range Estimate and Requirements Planning, 1954
Memoranda to Army Security Agency (ASA) Review Editor Regarding Nicholas Breton's Court and Country, 1950
Memoranda, Analytical Machine Employment, 1951-1952; Trip Report, IBM Customer Education Class, 1952; Critique and Proposal for Administration of Agency Automatic Sequenced Digital Computer Equipment Including A Table of Organization for A Digital Computer Division, September 1952; Planning for Atlas II, 1952
Memoranda, Correspondence, and Research Notes on A Request for Japanese Target Intelligence Committee (TICOM) Data, the Army Security Agency's Results of Axis Analysis of United States Communications AS Revealed by TICOM and Other Sources of Intelligence-Volume C German Traffic Analysis of United States Communications (16 August 1946), an Extract from History of H.M.S. Anderson Investigation of National War Effort, Investigations of the National War Effort Report Committee on Military Affairs House of Representatives (1946), 1946-1955
Memoranda, Final Briefing, and Draft Briefing Notes for General Canine and the Joint Chiefs of Staff Regarding the Replacement of the Combined Cipher Machine, 1952-1953; Transcript of Office of Communication Security Conference on Replacement of the Combined Cipher Machine of Which Friedman Was In Attendance, 1952
Memoranda, Government Communications Headquarters (GCHQ) Structure and Organization, 1950-1952
Memoranda, Newspaper Clippings, Reports, Relating to Security Violations and Leaks of Classified Information, 1948-1954
Memoranda, Organizational Charts, Drafts and Final Reports, Related to Collaboration Between Army and Navy Cryptologic Agencies and the State Department (Including an Investigation Into the Security of the State Departments Communications and Use of Cryptographic Equipment), 1934-1946
Memoranda, Policies, and Reports, Information Security Issues, 1942-1955 (2 Folders)
Memoranda, Policies, Cafeteria Mess and Messing Systems, 1949-1951
Memoranda, Reports, Directives, and Policies, Measures to Increase Communications Intelligence (COMINT) Security, 1950-1954
Memoranda, Reports, Working Notes on Communications Security, 1952-1953
Memorandum and Preliminary Historical Report on the Solution of the "B" Machine, 1940-1945
Memorandum for Theoretical Security of the Schlusselkasten, 1949
Memorandum on Decentralization of the National Communications Intelligence (COMINT) Effort, and NSA Field Processing Decentralization Plan, 1955
Memorandum on NSA-CIA Liaison and Interchange of Information, 1953; Outline for Cryptologic Studies, Locations and Types of Cryptologic Intelligence Files with Certain Individuals, 1953
Memorandum Regarding Signal Intercept Equipment, 1954
Memorandum to the National Security Council, Minimum Standards for the Handling and Transmission of Classified Information; Armed Forces Security Agency Memorandum, Security of Equipment Used for Storage of Classified Material, 1949-1951
Memorandum, Summary of Activities of "A" Branch for 16 January-31 January 1945 Inclusive, 1944-1945
Messages, Activity Reports, Related to Traffic Analysis and Other Activities, 1944-1949
Mission and Functions Statements, NSA Europe, 1952
Monthly Loss of Shipping by U-Boats Paper by Lcdr P.J. Karl, 1953
National Security Act, 1947 (Amended)
National Security Agency, Study of the Security Division, 15 February 1955
Newspaper Clippings, Copies of the Congressional Record and Criminal Code, NSA Security Oath and Oath of Secrecy, and Other Documents Related to the Legislative History of Section 798 US Code Title 18 (Public Law 513), 1942-1946
Newspaper Clippings, Early Warning Press Articles, 1953-1954
Newspaper Clippings-Also Has Classified Memoranda Concerning the United States Communications Intelligence Board (USCIB), Communications Intelligence (COMINT) Clearance Standards and Procedures, Polygraph Information, Clearance of Special Cryptologic Math Panel (SCAMP) Personnel, Organizations Having A Conflict of Interest with the US and Homosexuals and Government Employment (1950-1959)
Notes on Codewords Article by Friedman and Mendelsohn, 1932
NSA Bulletins, Operations Orders, Regulations, and Correspondence Related to Training, 1952-1955
NSA Europe Briefing on Reports, 1955; Lecture Papers, 1944-1955; Correspondence Related to Cryptosystem Proposal by Howard N. Smith, 1955
NSA Regulations and Check List for A War and Disaster Plan, Including the Armed Forces Security Agency Disaster Plan (AFSADIS), 9 September 1952, 1951-1954
Open Source Yardley Articles, 1931
Operation Evaluation Group Report #68, Evaluation of the Role of Decryption Intelligence In the Operational Phase of the Battle of the Atlantic, 1952
Paper Written by Friedman on Cryptographic Equipment for Either Single-Originator or Multi-Originator Communication, 1944-1947
Photographs, Berkeley Street Building, Friedman, Beaumanor Station, Alistair G. Denniston, Professor E.R. Vincent, Brigadier John H. Tiltman, 1940-1950
Policies and Working Notes, Relating to Consolidated Special Information Dissemination Office (CONSIDO), 1945-1954
Policies, Directives, and Memoranda Relating to Physical Security, 1951-1955
Potential Function of Placename Indices In the Intelligence Division by Thomas A Miller, 27 September 1945
Preliminary Historical Report on the Solution of the "B" Machine (the "Purple" System), by William Friedman, 1940
Preliminary Historical Report on the Solution of the "B" Machine, S-2403 (Solution and Red B Machines 1940)
Radio Laws of the US, 1972; Communications Act of 1934
Report and Photographs, Ottico Meccanica Italiana Criptograph-Wiring, 1954
Report by the Research and Development Advisory Council to Director, National Security Agency on Liza, 1955
Report from the Technical Management Board Working Group for Project No. 20, Military Cryptologic Career Plan, 31 January 1955
Report of Review of National Security Agency Security Procedures and Status Background Information, 1962
Report on an Investigation of System Indicator Encipherment with Review and Comment by Friedman, 1945
Report on Armed Forces Security Agency (AFSA) In Regard to Organization, Methods, and Arrangements for Processing Plain-Text Traffic for the Production of Communications Intelligence (COMINT) and A Few Comments Thereon by William Friedman, 31 March 1952 (Includes Organizational Charts of AFSA AS Well AS A Report on the Necessity of Plain Text In Cryptanalysis, 28 February 1952), 1952
Report on Cryptologic Organization by E. Maxine Devore (3 April 1952) and Related Memoranda and Correspondence, 1950-1952
Report on the Potentialities of Communications Intelligence (COMINT) AS A Source of Warning of the Imminence of Hostilities, 1953
Report, Communications Security and Review of Cryptography, 1955
Report, Loss of Registered Cryptographic Documents to the Commanding General, United States Forces, India-Burma Theater, 23 May 1946, 1946-1948
Report, Memorandum, and Newspaper Clippings Regarding Machine Identification of Words, 1955
Report, National Mid-Range Communications Security (COMSEC) Program, by NSA, March 1954
Report, Proposed Range of Gasoline Engine-Electric Power Units for Post War Development, Signals Research and Development Establishment, 1946
Report, Status of Certain Systems (Including All Systems Current on 31 December 1954 and All Such Systems Under Study Any Time During the Calendar Year 1954), 1955
Reports and Memoranda, the Potentialities of Communications Intelligence (COMINT) for Strategic Warning, 1953-1954
Reproduced Copy of the American Black Chamber by Herbert O. Yardley, with Handwritten Comments by Friedman, 1931-1939
Research Notes and Narrative History, Boris Hagelin Senior, 1958
Research Notes, Reports, Newspaper Clippings, Related to Proposed Amendments to Espionage Acts, 1930-1949 (2 Folders)
Security of Allied Ciphers, 1944-1945
Security of Axis Military Communications, 1943-1950
Security on Armed Forces Security Agency (AFSA) Communications Intelligence (COMINT) Classification and Report of Communications Security Violations, 1951-1955
Signal Corps Laboratories Annual Report for Fiscal Year 1937 on Mechanical and Electrical Cipher Machines, Apparatus Electrical and Mechanical for Breaking Codes and Ciphers M134, 1937
Study Involving Multiple Stepping, 1947
Study of Joint Organizations for the Production of Communications Intelligence and for Security of US Military Communications Part B Communications Security, 27 December 1948
Target Intelligence Committee (TICOM) Note 36, Russian Sources of Information, August 1954; War Secrets In the Ether Parts I and II by Wilhelm F. Flicke Translated by Ray W. Pettengill, 1953
Terms of Reference, Memoranda Related to US Security Authority for NATO Affairs and Report by the Military Representatives Committee to the North Atlantic Defense Committee on Proposed Revision of the North Atlantic Treaty Organization Security System (Including an Oversized Diagram), 1950-1953
Thesis Paper by Friedman Regarding an Examination Into the Duties of the Officer-In-Charge of the Signal Intelligence Service, 1934
Translation of Article on Egyptian Cryptography Written by Canon Etienne Driton, 1950
US Air Force Project Rand Research Memorandum-Is There A Defense by Bernard Brodie, 1956
US Air Intelligence Estimate, Aie-1, Threat of Action from Communist Air Forces to the Continental Strengths of North America, Directorate of Intelligence Headquarters United States Air Force, 1 October 1952
US and UK Policies and Practices In the Dissemination of Communications Intelligence (COMINT) During World War II, 1951 (Also Includes A Report on the Contribution of Signal Intelligence Toward Victory In World War II and Its Relatively Small Cost)
US Naval Communications Intelligence Organizational Structure, 1935-1949
War History Reports Inventory, 1950; Investigations of the National War Effort Report Committee on Military Affairs House of Representatives, 17 December 1946
Working Notes, Memoranda, and Drafts, Related to the Development of NSA Regulation 10-30-on Consultants, Experts, and Advisors, 1954
Working Papers, Drafts, Memoranda, Intercepted Messages Related to Various Communications Security Issues; Includes Magic-Far East Summaries on Japanese Intelligence and Magic Diplomatic Summaries, Japanese Compromise of Vichy Code, and the Relationship of Japanese Traffic Analysis (T/A) to the Security Problem (1945), 1944-1945
Zebab Problem from the Course In the Cryptanalysis of Machine Ciphers "ZE" Series, 1952