The following sources were consulted in the preparation of the article “13 odd rules from early American schools.”
- Rules for the government of the grammar, secondary, and primary schools in the first section of the First school district of Pennsylvania
- A history of Columbus schools, 1806–1912
- Citywide survey of historic public school buildings East Providence, R.I
- The Lancasterian system of instruction in the schools of New York City
- Rules of the School Committee, and regulations of the public schools of the city of Boston