XOS3962995:
The Political subdivision of the Polish territory before the war and its linguistic areas, 1918 (hand-coloured litho), American School, (20th century) / Bridgeman Images
XOS3962997:
Information from captured German maps, prisoner's statements, and recent aeroplane photographs, Sommerance region, 2nd October 1918 (colour litho), American School, (20th century) / Bridgeman Images
XOS3963002:
Location of headquarters of units in 26th, 29th & 82nd Divs. (5th Corps), northeastern France, 1918 (colour litho), American School, (20th century) / Bridgeman Images