Tiedosto:Karl von Bülow.jpgDescriptionKarl von Bülow.jpg Karl von Bülow (1846-1921), German Field Marshal Date 1915 Source [1] Author Unknown authorUnknown author
Tiedosto:Field Marshal Karl von Bülow.jpgDescriptionField Marshal Karl von Bülow.jpg English: Field Marshal Karl von Bülow in 1918 Date 22 June 2011 Source http://www.gwpda.org/photos/coppermine/displayimage