- Author: A. Kirk Grayson
- Language: English
- Year: 2002
- Author: A. Kirk Grayson, Jamie Novotny
- Language: English
- Year: 2012
- Author: George W. Grayson
- Language: English
- Year: 2007
- Author: Donald Grayson
- Language: English
- Year: 2011
- Author: Shannon L. Smith (editor), Grayson J. Lloyd (editor)
- Language: English
- Year: 2001
- Author: Catherine-Lune Grayson
- Language: English
- Year: 2017
- Author: James H. Grayson
- Language: English
- Year: 2002
Cholera
epub
- Author: Timothy Grayson-Jones
- Language: English
- Year: 2014
Polio
epub
- Author: Timothy Grayson-Jones
- Language: English
- Year: 2014
- Author: Richard S. Grayson
- Language: English
- Year: 2010