1. Precautions against typhoid fever and dysentery =: Precauciónes contra la fiebre tifoidea y la disentería Author(s): Puerto Rico. Superior Board of Health. Publication: Puerto Rico : Est. Tip. de A. Lynn é Hijos de Pérez Morris, 1899 Subject(s): Typhoid Fever -- prevention & controlDysentery -- prevention & controlSanitationPuerto Rico
2. Sanitary survey of Porto Rico Publication: [San Juan?] : [publisher not identified], [between 1890 and 1899?] Subject(s): SanitationSurveys and QuestionnairesPuerto Rico
3. Influenza in Alaska and Porto Rico: hearings before Subcommittee of House Committee on Appropriations in Charge of Relief in Alaska and Porto Rico Author(s): United States. Congress. House. Committee on Appropriations. Subcommittee in Charge of Relief in Alaska and Porto Rico. Publication: Washington : G.P.O., 1919 Subject(s): Influenza, Human -- prevention & controlDisease Outbreaks -- prevention & controlRelief WorkAlaskaPuerto Rico
4. The invasion of Porto Rico from a medical standpoint Author(s): Senn, Nicholas, 1844-1908, author Publication: New York : Lea Brothers & Co., [1898?] Subject(s): Communicable Disease ControlMilitary Medicine -- methodsSpanish-American War, 1898Puerto Rico
