- Author: Mortimer J. Adler
- Language: English
- Author: Mortimer J. Adler
- Language: English
- Author: Mortimer J. Adler
- Language: English
- Author: Mortimer J. Adler
- Language: English
- Author: Mortimer J. Adler
- Language: English
- Author: Mortimer J. Adler
- Language: English
- Author: Mortimer J. Adler
- Language: English
- Author: Mortimer J. Adler
- Language: English
- Year: 1992
- Author: Mortimer J. Adler
- Language: English
- Year: 1977