Aircraft and Submarines :
Abbot, Willis J. 1863-1934
Aircraft and Submarines : The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons [electronic resource] / Willis J. Abbot - Project Gutenberg, 2009 - Project Gutenberg 30047 .
Public domain in the USA.
Electronic text
Submarines (Ships) World War, 1914-1918 -- Aerial operations World War, 1914-1918 -- Naval operations -- Submarine Aeronautics, Military Aeronautics
UG
Aircraft and Submarines : The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons [electronic resource] / Willis J. Abbot - Project Gutenberg, 2009 - Project Gutenberg 30047 .
Public domain in the USA.
Electronic text
Submarines (Ships) World War, 1914-1918 -- Aerial operations World War, 1914-1918 -- Naval operations -- Submarine Aeronautics, Military Aeronautics
UG