The enemy within the inside story of German sabotage in America

The enemy within the inside story of German sabotage in America

Manylion Llyfryddiaeth
Prif Awdur: Landau, Henry 1892-
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: [New York] G.P. Putnam's sons 1937.
Pynciau:
European war, 1914-1918 > Secret service > Germany.
European war, 1914-1918 > United States.
Sabotage.