- Author: Frye Northrop, Denham Robert D., Frye Northrop
- Language: English
- Year: 2000
- Author: O'Grady Jean, Frye Northrop
- Language: English
- Year: 2012
- Author: Bewell Alan John, Frye Northrop, Kortenaar Neil ten, Warkentin Germaine
- Language: English
- Year: 2016
- Author: Frye Northrop, Rampton David
- Language: English
- Year: 2012
- Author: Frye Northrop, O'Grady Jean
- Language: English
- Year: 2008
- Author: Frye Northrop, O'Grady Jean
- Language: English
- Year: 2008
- Author: Frye Northrop, O'Grady Jean
- Language: English
- Year: 2003
- Author: Frye Northrop, Dubois Diane
- Language: English
- Year: 2012
- Author: Frye Northrop, Gill Glen Robert
- Language: English
- Year: 2010
- Author: Frye Northrop, Gorak Jan
- Language: English
- Year: 2016