Europe 1916 – American World War One poster

German World War One poster

European War — Russian World War One poster

A Happy New Year to our gallant soldiers! – British World War One poster

German anti-war print

War is Prussia's National Industry – French World War One poster

18 February 1915 — Austrian poster

New Prussia - American World War One poster

Americans all poster, United States, World War I (POSTERS 18)

The Great European War — Russian World War One poster

Eat more fish, they feed themselves — American World War One poster

Eagle poster, United States, World War I (POSTERS 76)

Americans will always fight for liberty – US World War Two poster