Red Cross poster, United States, World War I (POSTERS 52)

Red Cross poster, United States, World War I (POSTERS 43)

Red cross poster, United States, World War I (POSTERS 64)

Red Cross poster, United States, World War I (POSTERS 69)

Red Cross service flag poster, United States, World War I (POSTERS 11)

1917 Red Cross World War I poster

YMCA poster, United States, World War I (POSTERS 60)

Joan of Arc poster, United States, World War I (POSTERS 51)

Save your child poster, United States, World War I (POSTERS 34)

Americans all poster, United States, World War I (POSTERS 18)

Liberty bonds poster, United States, World War I (POSTERS 35)

Back him up poster, United States, World War I (POSTERS 39)

War Savings stamp poster, United States, World War I (POSTERS 23)