List of Austro-Hungarian U-boatsW
List of Austro-Hungarian U-boats
File:SM U-3 (Austria-Hungary).jpgW
File:SM U-3 (Austria-Hungary).jpg
File:SM U-4 (Austria-Hungary) postcard.jpgW
File:SM U-4 (Austria-Hungary) postcard.jpg
File:SM U-5 (Austria-Hungary) postcard.jpgW
File:SM U-5 (Austria-Hungary) postcard.jpg
File:SM U-6 (Austria-Hungary) postcard.jpgW
File:SM U-6 (Austria-Hungary) postcard.jpg
File:SM U-11 (Austria-Hungary).jpgW
File:SM U-11 (Austria-Hungary).jpg
File:SM U-21 (Austria-Hungary).jpgW
File:SM U-21 (Austria-Hungary).jpg