كتب ذات صلة

Wild nature''s ways

Wild life near home

Wild life in the tree tops

Wild bird guests how to entertain them

• Report on the birds of Pennsylvania. With special reference to the food-habits, based on over three thousand stomach examinations.
  المؤلفون: Warren, Benjamin Harry
• Diseases of poultry part 1
  المؤلفون: Pearson, Leonard ,  Warren, Benjamin Harry
• Essentials of milk hygiene : a practical treatise on dairy and milk inspection and on the hygienic production and handling of milk, for students of dairying and sanitarians
  المؤلفون: Pearson, Leonard ,  Jensen, C. O.