1. The costs of medical care : preliminary report Title: The costs of medical care : preliminary report Date: 1930. Author: Sinai, Nathan, 1894-1977. Collecting Area: Rare Books Call number: RA 410.53 S56X 1930 LOCAL
2. A survey of the medical facilities of the city of Philadelphia: 1929 : being in part a digest of the "Philadelphia hospital and health survey, 1929" Title: A survey of the medical facilities of the city of Philadelphia: 1929 : being in part a digest of the "Philadelphia hospital and health survey, 1929" Date: 1931. Author: Sinai, Nathan, 1894-1977. Collecting Area: Rare Books Call number: RA 963 S52X 1931z LOCAL
3. A study of physicians and dentists in Detroit: 1929, Title: A study of physicians and dentists in Detroit: 1929, Date: [1931] Author: Sinai, Nathan, 1894-1977. Collecting Area: Rare Books Call number: RA 728 S56X 1931z LOCAL