- Author: Penelope J. E. Davies
- Language: English
- Year: 2004
- Author: Penelope J. E. Davies
- Language: English
- Year: 2013
- Author: Penelope J. E. Davies, Walter B. Denny, Frima Fox Hofrichter, Joseph F. Jacobs, Ann S. Roberts, David L. Simon
- Language: English
- Year: 2011
- Author: H.W. Janson, Penelope J.E. Davies, Frima Fox Hofrichter, Joseph F. Jacobs, Ann M. Roberts, David L. Simon
- Language: English
- Year: 2013
- Author: Penelope J. E. Davies
- Language: English
- Year: 2017
- Author: Penelope J.E. Davies Walter B. Denny
- Language: English
- Year: 2010
- Author: Penelope J. E. Davies
- Language: English
- Year: 2000