- Author: Darin E. Hartley
- Language: English
- Year: 2010
- Author: Jenny Hartley
- Language: English
- Year: 2019
- Author: John Cresswell John Hartley
- Language: English, Esperanto
- Year: 1968
- Author: Steinkraus Keith Hartley
- Language: English
- Author: HARTLEY LOIS TEAL
- Language: English
国防经济学
pdf
- Author: Todd SandlerKeith Hartley
- Language: Chinese
- Year: 2007
- Author: Hartley Keith
- Language: English
- Year: 1978
- Author: Keith Hartley
- Language: English
- Year: 2017
- Author: Gregory Hartley, Maryann Karinch
- Language: Portuguese
- Year: 2018