External links Photos of cruises of German submarine U-54 in 1916-1918. Great photo quality, comments in German. A 44 min. film from 1917 about a cruise of the German submarine U-35. A German propaganda film without dead or wounded; many details about submarine warfare in World War I.
External links Photos of cruises of German submarine U-54 in 1916-1918 Great photo quality comments in German A 44 min film from 1917 about a cruise of the German submarine U-35 A German propaganda film without dead or wounded; many details about submarine warfare in World War I