- Author: Robert B. Thomas
- Language: English
- Year: 2009
- Author: Robert B. Thomas
- Language: English
- Year: 1993
- Author: Robert B. Thomas
- Language: English
- Year: 1976
- Author: Robert B. Thomas
- Language: English
- Year: 2003
- Author: Robert B. Thomas
- Language: English
- Year: 2015
- Author: Robert B. Thomas
- Language: English
- Year: 1999
- Author: Robert B. Thomas
- Language: English
- Year: 2013
- Author: Old Farmer's Almanac Staff
- Language: English
- Year: 2007
- Author: Robb Sagendorph
- Language: English
- Year: 1957
- Author: Robert B. Thomas
- Language: English
- Year: 2007