Robert J. Niedrach

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1) Birds of Colorado

Author

Bailey, Alfred M

Description

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Index, maps and bibliography in Volume II Includes gazetteer, bibliography, index and map of Colorado

2) Pictorial checklist of Colorado birds : with brief notes on the status of each species in neighboring states of Nebraska, Kansas, New Mexico, Utah, and Wyoming

Author

Bailey, Alfred M

Pub. Date

1967

3) Birds of Denver and mountain parks

Author

Niedrach, Robert J

Pub. Date

1939

4) Birds of Colorado: Volume 1

Author

Bailey, Alfred M

Pub. Date

c1965

5) Birds of Colorado Vol. I

Author

Bailey, Alfred M

Pub. Date

1965

6) Birds of Colorado Vol. II

Author

Bailey, Alfred M

Pub. Date

1965

7) Birds of Colorado: Volume 2

Author

Bailey, Alfred M

Pub. Date

c1965

8) The red crossbills of Colorado

Author

Bailey, Alfred M

Pub. Date

1953

9) Pictorial checklist of Colorado birds

Author

Bailey, Alfred

Pub. Date

c1967

Del Norte Public Library

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Robert J. Niedrach

1) Birds of Colorado

2) Pictorial checklist of Colorado birds : with brief notes on the status of each species in neighboring states of Nebraska, Kansas, New Mexico, Utah, and Wyoming

3) Birds of Denver and mountain parks

4) Birds of Colorado: Volume 1

5) Birds of Colorado Vol. I

6) Birds of Colorado Vol. II

7) Birds of Colorado: Volume 2

8) The red crossbills of Colorado

9) Pictorial checklist of Colorado birds