
- Author: James B. Hartle
- Language: English
- Year: 2014

- Author: James B. Hartle
- Language: English
- Year: 1964

- Author: James B. Hartle
- Language: English
- Year: 2003

- Author: James B. Hartle
- Language: English
- Year: 2003

- Author: James B. Hartle
- Language: English
- Year: 2003