Topic
Northwest Passage
107
Natural history
66
Arctic regions
48
Discovery and exploration
37
John
29
Canadian
28
Description and travel
28
Northwest
28
Voyages around the world
26
Indians of North America
23
Sir
23
Travel
17
1741-1779
16
Charles
16
Clerke
16
Gore
16
Oceania
16
Scientific Expeditions
15
canimp
15
Discoveries in geography
14
Northeast Passage
14
British
13
1790-1855
12
Hecla (Ship)
12
Pacific Ocean
12
Parry
12
Victory (Ship)
12
William Edward
12
Canada
11
Northwest Coast of North America
10
Botany
9
Early works to 1800
9
1730?-1790
8
Electronic books
8
Exploration literature
8
Griper (Ship)
8
Pacific coast
8
d. 1790
8
1745-1792
7
Hearne
7
Samuel
7
1786-1847
6
Franklin
6
Fury (Ship)
6
Riurik (Brig)
6
1787-1865
5
1795
5
Northwest Territories
5
Richardson
5
1835
4
more ...