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By: Courtney,Peter A. - Blokpoel, Hans,
Type: Article
In: The Canadian field-naturalist
Volume: 94
Series:
Issue: 3
Date: 1980
Page Range: 336--338
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
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By: Blokpoel, Hans, - Struger, H.
Type: Article
In: The Canadian field-naturalist
Volume: 102
Series:
Issue: 3
Date: 1988
Page Range: 430--433
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
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By: Hofmann, Theo - Chardine, John W. - Blokpoel, Hans,
Type: Article
In: The Canadian field-naturalist
Volume: 111
Series:
Issue: 2
Date: 1997
Page Range: 308--309
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
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By: Haymes, Gerard T - Blokpoel, Hans,
Type: Article
In: The Canadian field-naturalist
Volume: 92
Series:
Issue: 4
Date: 1978
Page Range: 392--395
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
-
By: Blokpoel, Hans,
Type: Article
In: The Canadian field-naturalist
Volume: 90
Series:
Issue: 2
Date: 1976
Page Range: 208--208
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
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By: Haymes, Gerard T - Blokpoel, Hans,
Type: Article
In: The Wilson bulletin
Volume: 92
Series:
Issue: 2
Date: 1980
Page Range: 221--228
Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
Subjects:
-
By: Houston, C Stuart - L'Arrivée, Louis P. - Blokpoel, Hans,
Type: Article
In: The Canadian field-naturalist
Volume: 105
Series:
Issue: 3
Date: 1991
Page Range: 416--416
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
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By: Blokpoel, Hans, - Heyland, J. Douglas - Burton, J. - Samson, N.
Type: Article
In: The Canadian field-naturalist
Volume: 89
Series:
Issue: 3
Date: 1975
Page Range: 268--277
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
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By: Gauthier, Maureen C. - Blokpoel, Hans, - Curtis, Steven G
Type: Article
In: The Canadian field-naturalist
Volume: 90
Series:
Issue: 2
Date: 1976
Page Range: 196--199
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
-
By: Blokpoel, Hans,
Type: Article
In: The Canadian field-naturalist
Volume: 88
Series:
Issue: 1
Date: 1974
Page Range: 67--71
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
-
By: Blokpoel, Hans,
Type: Article
In: The Canadian field-naturalist
Volume: 84
Series:
Issue: 4
Date: 1970
Page Range: 394--396
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
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By: L'Arrivée, Louis P. - Blokpoel, Hans,
Type: Article
In: The Canadian field-naturalist
Volume: 104
Series:
Issue: 4
Date: 1990
Page Range: 534--539
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
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By: Blokpoel, Hans, - Hatch, David R. M
Type: Article
In: The Canadian field-naturalist
Volume: 90
Series:
Issue: 2
Date: 1976
Page Range: 195--195
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
-
By: Blokpoel, Hans, - Gauthier, Maureen C.
Type: Article
In: The Canadian field-naturalist
Volume: 94
Series:
Issue: 3
Date: 1980
Page Range: 293--299
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects: