- Author: Judith N. McArthur, Harold L. Smith
- Language: English
- Year: 2010
- Author: Harold Ivan Smith
- Language: English
- Year: 2001
- Author: Harold Ivan Smith, Dr Alan D Wolfelt
- Language: English
- Year: 2011
- Author: Harold Ivan Smith
- Language: English
- Year: 2012
- Author: Walter Harold Black Smith Edward Clinton Ezell
- Language: English
- Year: 1969
- Author: Walter Harold Black Smith Edward Clinton Ezell
- Language: English
- Year: 1969
- Author: Walter Harold Black Smith Edward Clinton Ezell
- Language: English
- Year: 1969
- Author: Harold Ivan Smith
- Language: English
- Year: 2017
- Author: Harold Ivan Smith
- Language: English
- Year: 2013
- Author: Harold B. Smith (editor)
- Language: English
- Year: 1990