1. Mapa de las zonas oncocercosas de Guatemala Publication: [Guatemala] : [publisher not identified], [between 1940 and 1960?] Subject(s): Onchocerciasis, OcularGuatemala
2. Cholera Author(s): Clark, Elon, 1909-2001 cartographer Publication: [United States] : J.B. Lippincott Company, 1943 Subject(s): Cholera -- epidemiologyEndemic Diseases