8971. [Airplane spraying insecticide in an effort to kill malaria mosquitos] Publication: [c1930] Subject(s): Mosquito ControlMalaria -- prevention & controlAircraft
8972. [Quarantine detention at Immigration Station on Ellis Island, New York] Publication: [c1930] Subject(s): QuarantineEmigration and ImmigrationNew YorkEllis Island Immigration Station (N.Y. and N.J.)
8976. Staff and families of field mission Publication: 1947 Subject(s): Health PersonnelAfrican Americans
8978. Dr Button learned aviation medicine and the spirit of the Mississippi River Subject(s): AircraftUnited States. Public Health Service.
8979. New privies lined up ... outside the privy-building plant at Belcourt, North Dakota, 1937 Subject(s): Toilet Facilities