Anonymous

• The German Spy System from Within (English) (as Author)

Baden-Powell of Gilwell, Robert Stephenson Smyth Baden-Powell, Baron, 1857-1941

• Kokemukseni vakoojana (Finnish) (as Author)
• My adventures as a spy (English) (as Author)

Barton, George, 1866-1940

• The World's Greatest Military Spies and Secret Service Agents (English) (as Author)

Canada. Conseil du service militaire

See: Canada. Military Service Council

Canada. Military Service Council

• For the defence of Canada (English) (as Author)

Dukes, Paul, 1889-1967

• Red Dusk and the Morrow: Adventures and Investigations in Red Russia (English) (as Author)

Ganoe, William Addleman, 1881-1966

• The English of military communications (English) (as Author)

Hitt, Parker, 1878-

• Manual for the Solution of Military Ciphers (English) (as Author)

Joutsen, O. A. (Otto Aleksanteri), 1878-1936

• Kokemukseni vakoojana (Finnish) (as Translator)

Le Queux, William, 1864-1927

• The German Spy System from Within (English) (as Author of introduction, etc.)

Linebarger, Paul Myron Anthony, 1913-1966

• Psychological Warfare (English) (as Author)

MacGregor, Morris J., 1931-

• Integration of the Armed Forces, 1940-1965 (English) (as Author)

Muste, A. J. (Abraham John), 1885-1967

• Of holy disobedience (English) (as Author)

Queux, William Le

See: Le Queux, William, 1864-1927

Smith, Cordwainer

See: Linebarger, Paul Myron Anthony, 1913-1966

Wilkinson, Spenser, 1853-1937

• The Brain of an Army: A Popular Account of the German General Staff (English) (as Author)