The hog in America, past and present; with suggestions upon farm, pens, breeds, breeding, pedigreeing, standard of excellence, selection of animals, management of swine, selling and other subjects of importance to swine breeders, by S. M. Shepard.

الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)

المعلومات البيبليوغرافية