- Author: Alexandria Woznick, Edward G Hinkelman
- Language: English
- Year: 2000
- Author: Randy Malat, Barbara Szerlip
- Language: English
- Year: 2008
- Author: Andrea Mandek-Campbell, Barbara Szerlip
- Language: English
- Year: 2008
- Author: Edward G. Hinkelman, Gilbert Mansergh
- Language: English
- Year: 2002
- Author: Luis H. Francia, Barbara Szerlip, Tom Watson
- Language: English
- Year: 1997
- Author: Dean Engel, Barbara Szerlip, Tom Watson
- Language: English
- Year: 1996
- Author: Edward G. Hinkelman
- Language: English
- Year: 2002
- Author: Joe Reif, Janet Whittle, Molly E. Thurmond
- Language: English
- Year: 1996