| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Pizarro and the Conquest of Peru | 978-0-304-93511-6 (0-304-93511-5) | 1970 |
| Pizarro and the Conquest of Peru | 978-0-06-020131-9 (0-06-020131-2) | 1968 |
C.H. · C. Howard · Cecil Howard Dunstan Cullingford · Cecil Howard Jensen · Cecil P. Howard