كتب ذات صلة

Population losses in the mallard, black duck, and blue-winged teal

Our ducks a history of American ducks, nesting, roosting, feeding, and playing grounds; habits throughout the year.

How to know the ducks, geese and swans of North America all the species being grouped according to size and color.

Natural and artificial duck culture

• The national standard squab book. A practical manual giving complete and precise directions for the installation and management of a successful squab plant.
  المؤلفون: Rice, Elmer C.
• The national standard squab book
  المؤلفون: Rice, Elmer C.
• The national standard squab book
  المؤلفون: Rice, Elmer C.

• Half a ton of butter per cow per year
  المؤلفون: Van Pelt, Hugh G.
• Biggle sheep book
  المؤلفون: Biggle, Jacob. [from old catalog]
• Biggle poultry book
  المؤلفون: Biggle, Jacob. [from old catalog]