Federal Art Project, sponsor. still image War posters 1940-1950. gmgpc Screen prints Color 1940-1950. gmgpc La. : WPA War Services of La., [between 1941 and 1943] eng Poster suggesting careless communication may be harmful to the war effort, showing a letter from a soldier stamped "examined by 42." Date stamped on recto: Jan 21 '43. Work Projects Administration Poster Collection (Library of Congress). World War, 1939-1945--Communications. Censorship--1940-1950. Correspondence--1940-1950. National security--1940-1950. http://hdl.loc.gov/loc.pnp/cph.3b49488 No known restrictions on publication.