League of Nations Malaria Investigation Committee, United Provinces, India: Anti-malaria educational play put on by youngsters dealing with the treatment of the disease, the use of quinine, Schwarz-Weiß-Negativ, ca. 1929–1930, unbekannter Photograph; Bildquelle: Library of Congress Prints and Photographs Division, LC-USW33-043118-ZC, http://hdl.loc.gov/loc.pnp/fsa.8e02362, gemeinfrei.