Topic
Arctic regions
Discovery and exploration
Scientific Expeditions
78
Natural history
64
Description and travel
58
British
36
Sir
34
American
33
Northwest Passage
32
John
30
Greenland
26
Canadian
25
Northwest
24
1786-1847
23
Franklin
23
Northwest Territories
23
(1913-1917)
22
Crocker Land Expedition
22
Field notes
22
canimp
15
Botany
14
Geophysics
13
Travel
13
America
12
Inuit
12
To 1900
12
1874-1970
11
Canada
11
Donald Baxter
11
Geology
11
MacMillan
11
Meteorology
11
Eskimos
9
1906
7
Birds
7
Hudson Bay
7
Neptune (Steamship)
7
1552?-1616
6
1790-1855
6
1796-1847
6
1837-1908
6
1869-1870
6
Antarctica
6
Biddle
6
Deutsche Nordpolar-Expedition
6
German
6
Hakluyt
6
Hecla (Ship)
6
Karl
6
Koldewey
6
more ...