| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Charles Darwin "a man of enlarged curiosity" | 978-0-393-30109-0 (0-393-30109-5) | 1983 |
| Genghis Khan | 978-0-07-007650-1 (0-07-007650-2) | 1976 |
| Godmen of India | 978-0-06-840210-7 (0-06-840210-4) | 1973 |
L B · L. Brent · P BRENT · PETER B. · Peter Brent · Peter L. · Peter Ludwig
HarperCollins · McGraw-Hill · W. W. Norton & Company