First U-Boat Flotilla
U-Boot
U-Boat War Patrol
The Horatio Gates Papers, 1726-1828
Otto Kretschmer
The First U-boat Flotilla
The Dictionary of Biographical Reference Containing One Hundred Thousand Names. Together with a Classed Index of the Biographical Literature of Europe and America
A Dictionary of American and English Law
“The” Dictionary of Biographical Reference
U-564
Writing for an Endangered World
Schnellboote
Hitler's Brandenburgers
Black Flag
Weapons of Desperation: German Frogmen and Midget Submarines of World War II.