This book on ethnohistory is a reconnaissance of the islands visited by Francis Drake, a circumnavigator. The author posits that the Davao Gulf was one of the islands visited by Drake.
Info
| Type of Material | Published |
| Research Publication Address | Honolulu: University Press of Hawaii |
| Year Published | 1975 |
| Author | LESSA, William A., 1975. |
| Research Location | Ateneo de Davao University, Davao City ADDU |