- Holt McDougal world geographyChristopher L. Salter
- World Geography
Holt Social StudiesChristopher L. Salter
- The cultural landscapeChristopher L. Salter
- North Korea (Modern World Nations)Christopher L. Salter
- Eastern World Africa and AsiaChristopher L. Salter
- World geographyChristopher L. Salter
- Essentials of world regional geographyChristopher L. Salter
- South KoreaChristopher L. Salter
- Western World
Holt Social StudiesChristopher L. Salter
- South Korea (Modern World Nations)Christopher L. Salter
- Essentials of world regional geographyChristopher L. Salter, Joseph J. Hobbs
