The following sources were consulted in the preparation of the article “People thought these 13 things were normal just 60 years ago.”
- Minors’ Access to Cigarette Vending Machines — Texas
- Deinstitutionalization and the Development of Community-Based Services for the Mentally Retarded Youth of Western Montana
- Rooming-in: redesigning hospitals and motherhood in cold war America
- What History Teaches Us About Women Forced to Carry Unwanted Pregnancies to Term
- Oral Training in “Signing Schools”
- Obscure Federal Unit Home of Classic Undercover Agents
- The Untreated Syphilis Study at Tuskegee Timeline
- The rise and decline of tonsillectomy in twentieth-century America
- The rise and fall and rise of benzodiazepines: a return of the stigmatized and repressed
- Toxicological Review of Carbon Tetrachloride (CAS No. 56-23-5)
- Written Testimony of Marc Bendick, Jr., Ph.D.1 Economist, Bendick and Egan Economic Consultants, Inc.
- America’s Last Ban on Sunday Shopping
- The Rise and Fall of Hitchhiking in the US
