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Description and travel
21
Northwest Territories
21
Scientific Expeditions
21
Arctic regions
19
British
19
Discovery and exploration
19
To 1900
14
Canadian
11
Northwest
11
John
7
Sir
7
To 1870
6
1787-1865
5
Botany
5
Natural history
5
Northwest Passage
5
Richardson
5
Travel
5
1786-1847
2
Franklin
2
To 1905
2
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