Refine by:
-
▾ Subject
- Marine navigation (6)
- Longitude (4)
- Geographical exploration (3)
- ASTRONOMY (2)
- Commerce (1)
- NATURAL SCIENCES (1)
- Natural history (1)
- TRADE (1)
-
▾ Date
- 1700s C.E. (3)
- 1800s C.E. (4)