URL: https://digitalcollections.hoover.org/objects/38047 Collection Structure Poster collection > Read! Obey! American Expeditionary Forces Headquarters Service of the Rear. Subject: Indiscreet Talking, Members A.E.F. 1. ... Americans connected with the A.E.F. have been talking promiscuously on military questions ... . It is essential that this be stopped immmediately. 3. ... 5. ... by command of Major General Kernan, March 2, 1918 ... Item Title Read! Obey! American Expeditionary Forces Headquarters Service of the Rear. Subject: Indiscreet Talking, Members A.E.F. 1. ... Americans connected with the A.E.F. have been talking promiscuously on military questions ... . It is essential that this be stopped immmediately. 3. ... 5. ... by command of Major General Kernan, March 2, 1918 ... Collection Title Poster collection Issuing Body United States. Army. A.E.F., 1917-1920 Date Created 1918 Description Text only. Subject(s) Conduct of life World War, 1914-1918 Army Military intelligence France Officers United States Defense information, Classified Espionage Rumor Soldiers Language(s) English Country of Origin United States Country of Origin United States Dimensions Overall: 23 x 16 in. (58.4 x 40.6 cm) Format Poster Medium political posters Color black and white Color black and white Hoover ID Poster US 4720 Record Number XX343.28423 Collection Guide https://oac.cdlib.org/findaid/ark:/13030/kt829015km Rights No known restrictions.