This subseries covers those posters designed to galvanize support for the war effort. Poster illustrations include flags and war heroes, the attack at Pearl Harbor, and encouragement to work with all Americans in the war effort, despite social, racial, or gender differences. There are also examples of the Four Freedoms posters by Norman Rockwell.

This subseries contains posters from agencies, organizations, and private businesses raising funds and support for the war effort. Organizations include: the American Library Association, the YMCA/YWCA, the Red Cross, and the organizations of the United War Work Campaign.

This subseries contains posters advertising savings stamps and war bonds, including the First, Second, Third, Fourth, and Fifth (Victory Liberty Loan) liberty bonds.

This subseries has miscellaneous posters of war poetry, propaganda against Germany, and speeches by President Wilson on the justification for war and the contested territory of Alsace-Lorraine.

This subseries covers those posters designed to galvanize support for the war effort. Poster illustrations include flags and war heroes, the attack at Pearl Harbor, and encouragement to work with all Americans in the war effort, despite social, racial, or gender differences. There are also examples of the Four Freedoms posters by Norman Rockwell.