History 112 Human-animal relationships 53 Dogs 46 Social aspects 36 Cats 34 Agriculture 30 Behavior 28 more ... Environmental aspects 28 Hunting 22 Pets 22 Psychology 19 Gardens 18 Moral and ethical aspects 18 Landscape architecture 17 Fishing 15 Forests and forestry 15 Economic aspects 14 Gardening 14 Parks 14 Horses 13 Landscape architects 13 Pet owners 11 Training 10 Animal welfare 9 Conservation of natural resources 9 Control 9 Crops 9 Domestic animals 9 Fisheries 9 Organic farming 9 less ...