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, b/w negative, ca. 1929–1930, unknown photographer; source: Library of Congress Prints and Photographs Division, LC-USW33-043118-ZC, http://hdl.loc.gov/loc.pnp/fsa.8e02362, public domain.