- Author: Horgan Terence, Sabatés Marcelo, Sosa David
- Language: English
- Year: 2016
- Author: John Horgan
- Language: Spanish
- Year: 2005
- Author: Jane M. Horgan
- Language: English
- Year: 2020
- Author: Jane M. Horgan
- Language: English
- Year: 2020
- Author: Daniel Koehler John Horgan
- Language: English
- Year: 2017
- Author: Хорган Дж.(Horgan J.)
- Language: Русский
- Year: 2001
- Author: Horgan J.R.
- Language: English
- Author: Horgan Terry
- Language: English
- Year: 2017
- Author: Joseph R. Horgan
- Language: English
- Author: Jane Horgan
- Language: English
- Year: 2008