Further notes on the birds of Colorado
By: by W.W. Cooke
Series: Colorado. Agricultural Experiment Station, Fort Collins. Buletin no. 44, 56. Technical series -- no. 4-5
Published: 1898
Place of publication: Fort Collins
Language: eng
Number of pages: 239
Subjects: Birds
Notes: Appendix [1], 2, to Cooke: The birds of Colorado. 1897.

"Bibliography of Colorado ornithology," p. 151-153, 186-189.