"Title:" Keep it to yourself buddy "Abstract:" Poster suggesting careless communication may be harmful to the war effort, showing a soldier with a finger to his lips. "Physical description:" 1 print on board (poster) : silkscreen, color. "Notes:" Date stamped on recto: Jan 21 '43.; Work Projects Administration Poster Collection (Library of Congress).; Hand-written on recto in pencil: Designed by Russell Kraus - St. Louis, Missouri.