Incoming Resources
- Rocks and minerals, Adrian Jones
- Beneath our feet, the rocks of planet Earth, Ron Vernon
- Rocks & minerals
- A field guide to rocks and minerals,, by Frederick H. Pough
- Rocks and fossils, a visual guide, Robert R. Coenraads
- Rock & gem, Ronald Louis Bonewitz, consultants Margaret Carruthers, Richard Efthim
- A field guide to rocks and minerals, Frederick H. Pough