Bailey, Alfred and Robert J. Niedrach books & textbook
Pictorial Checklist of Colorado Birds
Alfred M. Bailey Robert J. Niedrach John Groth
Denver Museum of Natural History, 1965 /1967T Hardcover
BIRDS OF COLORADO. Two Volumes.
BAILEY, Alfred M. and Robert J. Niedrach (SIGNED).
Denver Museum of Natural History /1965T Hardcover
Birds of Colorado (Volumes I and II -- complete)
Bailey, Alfred M.; Niedrach, Robert J.
Denver Museum of Natural History /1965T Hardcover
Pictorial Checklist of Colorado Birds: with brief notes on the status of each species in neighboring states of Nebraska, Kansas, New Mexico, Urah, and Wyoming
Bailey, Alfred and Robert J. Niedrach
Denver Museum of Natural History /1967T Hardcover
Birds of Colorado,Volumes 1 & 2
Alfred M. Bailey Robert J. Niedrach
DENVER MUSEUM OF NATURAL HIST /1965T Hardcover / 895 Pages
Stepping Stones Across the Pacific: Museum Pictorial No. 3
Bailey, Alfred Marshall Niedrach, Robert J
Literary Licensing, LLC /2013-03-30 Paperback / 66 Pages
isbn-10: 1258645513 / isbn-13: 9781258645519
The Birds Of Denver And Mountain Parks: Denver Museum Of Natural History, No. 5
Niedrach, Robert J Rockwell, Robert B Bailey, Alfred M
Literary Licensing, LLC /2012-06-09 Paperback / 212 Pages
isbn-10: 1258381117 / isbn-13: 9781258381110
The Red Crossbills of Colorado
Bailey, Alfred A Niedrach, Robert J Baily, A Lang
Legare Street Press /2022-10-27 Paperback / 60 Pages
isbn-10: 1019185007 / isbn-13: 9781019185001
