Incoming Resources
- Rocks, by Ann O. Squire
- Minerals, by Chris Bowman
- Diamonds, by Eric Ethan
- Dig and discover agates, by Nancy Dickmann
- Rocks & minerals, written by R.F. Symes and the staff of the Natural History Museum, London
- Rocks and minerals;, a guide to familiar minerals, gems, ores, and rocks,, by Herbert S. Zim [and] Paul R. Shaffer. Illustrated by Raymond Perlman
- Emeralds, by Eric Ethan
- Rocks & minerals, written by Dr. R.F. Symes