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Robert B. Janssen
Identifiers
Open Library
OL1070528A
Top Subjects
Minnesota (2)
Birds -- Minnesota -- Geographical distribution (2)
Birds, united states (1)
Bird populations -- Minnesota (1)
Bird populations -- Minnesota -- Statistics (1)
Wisconsin (1)
Oiseaux -- Minnesota -- Identification (1)
Books by Robert B. Janssen
Total count: 5
Minnesota Birds
Where, When, and How Many
University of Minnesota Press
1975-01-01
Minnesota Birds
Where, When and How Many
Univ of Minnesota Pr
1980-06-01
Birds in Minnesota
Published by the University of Minnesota Press for the James Ford Bell Museum of Natural History
1987-01-01
County occurrences of Minnesota birds
Minnesota Ornithologists' Union
1996-01-01
Birds of Minnesota and Wisconsin
Lone Pine Pub.
2003-01-01
