Submarine Warfare in World War I

uboat.net: A great compilation of information on U-Boats in World War I.

 

U-Boat Attack 1916 (Eyewitness to History) Eyewitness account of a German U-Boat attack on a cargo vessel.

 

 

 A Rare Glance into the Heart of a German WWI U-Boat (Article by Amanda Macias for Business Insider) Photos of a U-Boat sunk in1918 and pulled from its watery grave.

 

Was the WWI U-Boat a Death Trap? (BBC)

 

Lost German WWI U-Boat Wreck Found Off Norfolk Coast (BBC News)

 

The U-Boat Campaign that Almost Broke Britain (Imperial War Museums)