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Start Over You searched for: Formats Text Remove constraint Formats: Text Subjects Typhus, Epidemic Louse-Borne -- epidemiology Remove constraint Subjects: Typhus, Epidemic Louse-Borne -- epidemiology Subjects Poland -- epidemiology Remove constraint Subjects: Poland -- epidemiology Authors Bock, Carl Ernst, 1809-1874, author Remove constraint Authors: Bock, Carl Ernst, 1809-1874, author Dates by Range 1850-1899 Remove constraint Dates by Range: 1850-1899 Publication Year 1869 Remove constraint Publication Year: 1869

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