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Smithsonian Migratory Bird Center
6
Greenberg, Russell
4
Merriam, C. Hart (Clinton Hart), 1855-1942
3
Preble, Edward Alexander, 1871-1957
3
United States. Bureau of Biological Survey
3
Calverley, Brett K.
2
Cody, William J.
2
Davin, Nicholas Flood, 1843-1901
2
Doyle, David M.
2
Duchaussois, R. P. (Pierre Jean Baptiste), 1878-
2
Hazard, Gjon
2
Horetzky, Charles, 1840-1900
2
Luff, David Owen
2
Mason, Michael Henry, 1900-
2
Porsild, A. E. 1901-
2
Casselman, Lisa M.
1
Dickinson, Dawn, 1930-2013
1
Hall,Edward Hepple
1
Martell, A. M.
1
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Canada
Northwest Territories
26
Description and travel
8
Botany
6
Field notes
6
Ornithology
6
migratory birds
6
Can
5
Agriculture
4
Canadian Arctic
4
Indians of North America
4
North of 60
4
Northern Canada
4
Prairie Provinces
4
1908
3
Athabasca
3
Mackenzie
3
Mackenzie District
3
Zoology
3
canimp
3
Alaska
2
Alberta
2
Animal Geography
2
Animal Reproduction
2
Brant
2
Breeding
2
Canadian
2
Catholic Church
2
Distribution of Animals
2
Distribution of Mammals
2
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