American Geographical Society of New York. Alternate title on verso: World distribution of rickettsial diseases.Tick-borne and mite-borne forms. Briesemeister elliptical equal-area projection. On upper right margin: Atlas of distribution of diseases - plate 11. Maps: 1. North America -- 2. South America -- 3. Europe and Asia -- 4. Africa -- 5. Australia-Pacific Islands. Verso: Basic sources.