Subject collection. Printed materials (1917–1918) for soldiers in U.S. military service during World War I. The collection includes materials by the Young Men's Christian Association War Work Council and the United War Work Campaign. These materials were owned by the family of Anadarko, Oklahoma Territory, photographer Annette Ross Hume, and her Hammond family relatives. The collection also contains glass plate negative holders and boxes that belonged to Annette Ross Hume.