Topic
Discovery and exploration
Arctic regions
127
Scientific Expeditions
87
Description and travel
69
Natural history
56
British
43
Antarctica
37
Northwest Passage
37
American
34
John
33
Sir
33
Canadian
27
Northwest
26
Northwest Territories
26
(1913-1917)
22
Crocker Land Expedition
22
Field notes
22
Greenland
22
Oceania
21
1786-1847
18
Franklin
18
Travel
17
Voyages around the world
16
canimp
15
Botany
14
(1838-1842)
13
Canada
13
Hawaii
13
South America
13
United States Exploring Expedition
13
Inuit
12
To 1900
12
1874-1970
11
Donald Baxter
11
Geology
11
MacMillan
11
Northwest Coast of North America
11
Oregon
11
America
10
Birds
9
Eskimos
9
1741-1779
8
Charles
8
Clerke
8
Gore
8
Northeast Passage
8
d. 1790
8
1868-1912
7
1906
7
Chatham (Ship)
7
more ...