Sung, B. L. (1974). Racial and ethnic group population by census tract: The SMSA of New York City, 1970, special tabulation. New York: Dept. of Asian Studies, City College of The City University of New York.

Sung, Betty Lee. Racial and Ethnic Group Population By Census Tract: The SMSA of New York City, 1970, Special Tabulation. New York: Dept. of Asian Studies, City College of The City University of New York, 1974.

Sung, Betty Lee. Racial and Ethnic Group Population By Census Tract: The SMSA of New York City, 1970, Special Tabulation. New York: Dept. of Asian Studies, City College of The City University of New York, 1974.