WBlockade of GermanyWBulgaria–Germany treaty (1915)WDeportations from East Prussia during World War IWBattle of HartmannswillerkopfWLZ 37WSecond Battle of the Masurian LakesWZeppelin P ClassWFile:German postcard with flags, motto, & portrait-photograph of a German Soldier.WWI-era postcard art.Wittig collection.item 52.obverse.scan.jpgWFile:German postcard with flags, motto, & portrait-photograph of a German Soldier.WWI-era postcard art.Wittig collection.item 52.reverse.scan.jpgWFile:Wieder nischt!.WWI postcard art.Wittig collection.item 43.obverse.scan.jpgWFile:Wieder nischt!.WWI postcard art.Wittig collection.item 43.reverse.scan.jpg