- Author: Ayn Rand, Nathaniel Branden
- Language: English
- Year: 1964
- Author: Ayn Rand & Harry Binswanger
- Language: English
- Year: 1988
- Author: Ayn Rand & Nathaniel Branden
- Language: English
- Year: 2014
- Author: Ayn Rand & Leonard Peikoff
- Language: English
- Year: 2014
- Author: Ayn Rand, Leonard Peikoff, Yaron Brook, Andrew Bernstein, Onkar Ghate, Elan Journo, Gregory Salmieri, Don Watkins, Jonathan Hoenig, Stuart K. Hayashi
- Language: English
- Year: 2018