28. In the Parade '36: [Pierce County Fair Parade, Rugby, N.D., 1936] Subject(s): Toilet FacilitiesPublic Health
29. Preparing ground for latrines Publication: [1943?] Subject(s): Schools, MedicalToilet FacilitiesKweiyang, China. Emergency Medical Service Training School.
30. [Sanitary privies along the back property lines of an agricultural migrant village] Publication: 1930? Subject(s): Toilet FacilitiesRural HealthCommunicable Disease ControlSanitationUnited States