- Author: James Robert Nielsen
- Language: English
- Year: 1986
- Author: Barbara A. Brown
- Language: English
- Year: 1993
- Author: Frank Slaby
- Language: English
- Year: 1994
- Author: Carmine D. Clemente
- Language: English
- Year: 1985
- Author: Leon Lachman Herbert A. Lieberman Joseph L. Kanig
- Language: English
- Year: 1986
- Author: Gilbert H. Fletcher
- Language: English
- Year: 1980
- Author: Twietmeyer, Mc Cracken
- Language: English
- Year: 1988
Pharmacognosy
pdf
- Author: Varro E. Tyler Lynn R. Brady James E Robbers
- Language: English
- Year: 2003
- Author: Edward S. Cohen
- Language: English
- Year: 1994
- Author: Jonathan Abrams
- Language: English
- Year: 1987