U-Boats Off Shore! Franklin D. Roosevelt, Assistant Secretary of the Navy, Discusses the Possbilities and Purposes of Germany's Submarine Attack. New York Times Magazine Section Sunday, June 9, 1918
New York: New York Times, 1918. 16 pages; black and white illustrated; "...Why did the Germans, at vast risk to their boats and crews, decide to deliver an attack on American shipping along the Atlantic Coast? What did they hope to accomplish? What is their strategy?...(Roosevelt replies)...it is safe to.....