كتب ذات صلة

The waterfowl research program in Illinois

Turkeys, ducks, and geese

Proceedings, International conference on plant breeding and hybridization, 1902, held in the rooms of the American Institute of the City of New York and in the Museum building of the New York Botanical Garden, September 30 and October 1 and 2.

Preliminary report on availability and use of waterfowl food plants in the Illinois River Valley

• Gonadectomy in relation to the secondary sexual characters of some domestic birds
  المؤلفون: Goodale, Hubert Dana
• Gonadectomy in relation to the secondary sexual characters of some domestic birds
  المؤلفون: Goodale, Hubert Dana
• Some results of castration in ducks
  المؤلفون: Goodale, Hubert Dana