1. United States census of population, 1950: Detailed characteristics [by States and Territories], detailed data for large areas on age, race, marital status, education, employment, income, occupation, industry, etc.; prepared under supervision of Howard G. Brunsman, chief, Population and Housing Division, report P-C series). 53. Puerto Rico. Bookmark Corporate/Agency Authors: Children's Bureau and Health, Education and Welfare Dept. Publisher: Children's Bureau Date: [1953.] SuDoc number: C 3.950-7/4:P 96