Topic
Arctic regions
North Pole
10
(Robert Edwin)
6
1856-1920
6
Peary
6
Robert E
6
United States (Schooner)
6
1865-1940
4
Cook
4
Discovery and exploration
4
Frederick Albert
4
Northeast Passage
4
Scientific Expeditions
4
1866-1955
2
1926-1933
2
British exploration
2
Buchan
2
David
2
Description and travel
2
Dorothea (Ship)
2
Friends and associates
2
Greenland
2
Greenland Expeditions
2
Hecla (Ship)
2
Henson
2
Matthew Alexander
2
Meteorology
2
North Pole (Alaska)
2
Polaris (Ship)
2
Racehorse (Ship)
2
Trent (Ship)
2
University of Michigan
2
b. 1780
2
cn
2
Geographical exploration
1
Travel
1