1. Act to provide for the sexual sterilization of inmates of State institutions in certain cases (Virginia Sterilization Act of 3/20/1924), https://dnalc.cshl.edu/view/11213-Virginia-Sterilization-Act-of-3-20-1924.html.
2. Act to Provide for the Sterilization of the Mentally Defective and Feeble-Minded Inmates of Charitable and Penal Institutions of the State of North Carolina, https://digital.ncdcr.gov/Documents/Detail/public-laws-and-resolutions-passed-by-the-general-assembly-at-its-session-of ...1929/1952786?item=2039001.
3. Declaration of Helsinki (2013 version), https://nil.org.pl/dzialalnosc/osrodki/osrodek-bioetyki/etyka-w-badaniach-naukowych/1553-deklaracja-helsinska.
4. Health and safety code, https://leginfo.legislature.ca.gov/faces/codes_displayText.xhtml?
5. lawCode=HSC&division=20.&title=&part=&chapter=1.6.&article.