WYCA Poster, ca. 1918 September 16, 2017 WYCA Poster, ca. 1918, Library of Congress, PPOC, http://www.loc.gov/pictures/item/00652158/ WYCA Poster, ca. 1918, Library of Congress, PPOC, http://www.loc.gov/pictures/item/00652158/ War & Society images, posters, World War I
