- Author: Robert E. Hartley
- Language: English
- Year: 2009
- Author: Janet Mullings, James Marquart, Deborah Hartley, Wendy Lomax
- Language: English
- Year: 2004
- Author: William G. Hartley
- Language: English
- Year: 2003
- Author: Gabrielle Hartley
- Language: English
- Year: 2023
- Author: Jannie Møller Hartley (editor), Jannick Kirk Sørensen (editor), David Mathieu (editor)
- Language: English
- Year: 2023
- Author: Simon Hartley
- Language: English
- Year: 2023
- Author: Cecil B. Hartley
- Language: English
- Year: 1859
- Author: Piesman Marissa, Hartley Marilee
- Language: English
- Year: 1984
- Author: E. Hartley Leather
- Language: English
- Year: 1943
- Author: Janet M. Hartley
- Language: English
- Year: 2014