- Author: Gulling Rich, Vargas Pattie
- Language: English
- Year: 1997
- Author: Pitzer Sara
- Language: English
- Year: 1980
- Author: Marcin Marietta Marshall
- Language: English
- Year: 1993
- Author: Hill Lewis
- Language: English
- Year: 1992
- Author: Mettler John J
- Language: English
- Year: 1986
- Author: Moore Arden, Rogers Juliette, Ringer Nancy
- Language: English
- Year: 1999
- Author: Gail Damerow Jeanne Smith DVM
- Language: English
- Year: 1994
- Author: Glenn Andrews
- Language: English
- Year: 1989