found: His The history of prostitution, 1919, c1897:t.p. (William W. Sanger, M.D.)
found: LC in RLIN, 12/5/86(hdg.: Sanger, William W.)
found: Encyclopedia of prostitution and sex work, 2006:page 424 (Sanger, William Wallace (1819-1872); first resident physician at the Houses of Correction on Blackwell's Island, New York)
found: Wikipedia, May 3, 2017(William Wallace Sanger; born in Hartford, Connecticut, 10 August 1819; died in New York City, 8 May 1872; was a New York City physician who wrote a "groundbreaking" study of prostitution; graduated from the New York College of Physicians and Surgeons in 1846. He was then appointed assistant at Bellevue Hospital, and subsequently was the first resident physician at Blackwell's Island. He afterward resigned and visited Europe, but in 1853 was reappointed; wrote The History of Prostitution (New York, 1858). In 1860 Sanger resigned and devoted the remainder of his life to private practice)
