"Demonstration at the Red Cross Emergency Ambulance Station in Washington, D.C., during the influenza pandemic of 1918."
Unnamed photographer for National Photo Company
1918
National Photo Company photograph via Library of Congress website <a rel="nofollow" class="external autonumber" href="http://hdl.loc.gov/loc.pnp/cph.3c38117">[1]</a>; converted from TIFF to .jpg and border cropped before uploading