- Author: Melissa Dabakis, Paul Kaplan (editors)
- Language: English
- Year: 2021
- Author: Sidney Kaplan & Emma Nogrady Kaplan
- Language: English
- Year: 1989
- Author: Eran Kaplan
- Language: English
- Year: 2005
- Author: William W. Fitzhugh Susan A. Kaplan
- Language: English
- Year: 1982
- Author: Marion A. Kaplan
- Language: English
- Year: 1999
- Author: Marion A. Kaplan
- Language: English
- Year: 1998
- Author: Robert Kaplan
- Language: Italian
- Year: 2001
- Author: Kaplan Medical
- Language: English
- Year: 2023
- Author: Kaplan Medical
- Language: English
- Year: 2023
- Author: Kaplan Medical
- Language: English
- Year: 2023