- Author: J. Richard Andrews
- Language: English
- Year: 2003
- Author: Smeets Ineke
- Language: English
- Year: 2008
- Author: J. Randolph Valentine
- Language: English
- Year: 2001
- Author: Gregg Howard
- Language: English
- Year: 1990
- Author: Pamela Innes Linda Alexander Bertha Tilkens
- Language: English
- Year: 2009
- Author: Pamela Joan Innes Linda Alexander Bertha Tilkens
- Language: English
- Year: 2004
- Author: Jorge A. Suarez
- Language: English
- Year: 1983
- Author: Lyle Campbell
- Language: English
- Year: 2000
