The following sources were consulted in the preparation of the article “11 forgotten ways people paid fines in the 1800s.”
- A History of Tahiti III
- No Trespass Zones: Governing the Mobility of Citizens and Migrants in the Post-Civil Rights Era
- Convict Lease System
- History of Placer County, California
- The Gold Rush
- A History of the California Supreme Court, 1850–1879: Minerals and Water
- Session Laws, 1880 – Maryland State Archives
- Fines and Deductions from the Pay of Mail Contractors. Letter from the Postmaster General, Transmitting the Annual Report of Fines and Deductions from the Pay of Mail Contractors
- Session laws of the territory of Washington: and the resolutions and memorials of the eighth regular session of the Legislative Assembly, held at Olympia, 1860.
- 97 U.S. 25 24 L.Ed. 989 Beer Company v. Massachusetts, October Term, 1877