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