1. Evidences in Yucatan as to the possible connection of pre-Columbian syphilis with Asia Author(s): Ashmead, Albert S. Publication: [New York] : D. Appleton and Company, [1896] Subject(s): Human MigrationSyphilisIndians, North AmericanMexicoAsiaLe Plongeon, Alice D. (Alice Dixon), 1851-1910.
2. On the conveyance of cholera from India, through Persia, Armenia, and Georgia, to Russia and the rest of Europe Author(s): Peters, John C. (John Charles), 1819-1893 author Publication: [Chicago?] : [publisher not identified], [1868?] Subject(s): Cholera -- epidemiologyDisease Transmission, InfectiousAsiaEurope