World War I Food Conservation Poster in Yiddish Colored Poster of World War I , showing Immigrants and food, the script is in Yiddish. This Poster was published by the U.S. Government, to be hung in geographic areas with immigrants of Yiddish extraction; there was one in English for other immigrants, and the gist of the message was to save food. This poster is framed and museum-mounted, it has two pieces missing from the edge with no loss of picture or text.