Artstor is collaborating with the University of Minnesota Libraries to distribute approximately 5,750 images depicting posters and postcards from World Wars I and II. Works by artists such as James Montgomery Flagg, James H. Daugherty, Ben Shahn, Gil Spear, Otto Fischer, and others are represented. The collection is international in scope and contains posters from a range of governmental, commercial, and charitable organizations.

This collection covers subjects such as war bonds and loans, military recruitment and morale, veteran benefits, civil defense, industrial production, freedom and loyalty campaigns, international welfare organizations, prices and rationing, transportation, health and safety, labor organizations, films and theater, food production, sports and leisure, recruiting of women in military and non-combatant organizations, special events, and anti-war movements.

The University of Minnesota Libraries received an Institute of Museum and Library Services (IMLS) grant to digitize and make available their World War I and II poster and postcard collection.