Topic
Birds
North America
42
Arctic regions
34
Description and travel
30
Alaska
24
Mammals
22
Botany
18
Alberta
16
Newfoundland and Labrador
13
canimp
13
Collection and preservation
12
Indians of North America
12
Hudson Bay
11
Greenland
10
Labrador
10
Newfoundland
10
Russia (Federation)
10
Discovery and exploration
9
Geology
9
Ornithology
9
Canada
8
Canadian
8
Fishes
8
Northwest
8
Pechora River Valley (Russia)
8
Treaties
8
1906
7
Inuit
7
Meteorology
7
Neptune (Steamship)
7
Zoology
7
1899
6
Anatomy
6
Antarctica
6
Fossil
6
Labrador (N.L.)
6
Northern
6
Norway
6
Pechora River Valley
6
Sea birds
5
(1899)
4
1785-1851
4
Athabasca and Peace River Treaty Expedition
4
Athabasca and Peace River treaty expedition
4
Audubon
4
Barred owl
4
Beaverhill Bird Observatory (Alta.)
4
Bird banding
4
Bird populations
4
Bogoslov island
4
more ...