Video and discussion by curators here
Irma and Paul Milstein Division of United States History, Local History and Genealogy, The New York Public Library. "Rear of tenements with young boy: Manhattan" The New York Public Library Digital Collections. 1934.
"Tenement House Officer inspecting outhouses" The New York Public Library Digital Collections. 1934.
From: Photographs taken by inspectors of the New York City Tenement House Department. Over 4,000 photos weregifted to NYPL by the New York City Department of Housing and Buildings in 1942. Approximately 1,100 are available in NYPL Digital Collections.