Concept
Phthiraptera - pathogenicity
Catalogue
- Maps
World distribution of spirochetal diseases. 2, Relapsing fevers, louse-borne and tick-borne / prepared by the American Geographical Society of New York ; E.D. Weldon, cartographer.
Date: [1955], ©1955- Maps
Distribution of rickettsial diseases. 1, Louse-borne and flea-borne typhus / prepared by the American Geographical Society.
Date: [1953], ©1953