AUTHOR
- Batongbacal, Jay L. 2 Treffer
- Duxbury, Alison B. 2 Treffer
- Charton, Barbara 1 Treffer
- Duxbury, Alyn C. 1 Treffer
- Duxbury, Alyn C. 1932- 1 Treffer
- Kennish, Michael J. 1 Treffer
- Kennish, Michael J., ed 1 Treffer
- Knowledge Adventure, Inc 1 Treffer
- Segar, Douglas A. 1 Treffer
- Sverdrup, Keith A. 1 Treffer