- ABeka
- Alpha Omega
- Bob Jones University
- Homeschool.com
- Core Knowledge
- Elijah Company
- Greenleaf Press
- Key Curriculum Press
- Keystone High School
- Oak Meadow
- Saxon Publishers
- Social Studies School Service
- The Sycamore Tree
- MommySchool.com
- 50states.com
- Timberwolf Homeschool Resources
- Mr Donn's Ancient History Page
- The Prince and the Pauper
- Role of the Predator in the Web of Life
- ABC'S