Animals Folklore 18 Zoology 18 Diseases 11 Animal behavior 8 Animal health 7 Animal industry 7 Prevention 7 Food 6 Fiction 4 Habits and behavior 4 History 4 Natural history 4 Abnormalities 3 Anecdotes 3 Biography 3 Habitations 3 Jungles 3 Juvenile literature 3 Literary collections 3 Plants 3 Poetry 3 Adventure stories, English 2 American poetry 2 Animal ecology 2 Animals, Mythical 2 Biology 2 Birds 2 Breeding 2 Classification 2