Religion 168 Literature 90 Tourism and Travel 80 Satire 71 Leisure, Recreation and Tourism Economics, (New March 2000) 69 Social Psychology and Social Anthropology, (New March 2000) 69 Policy and Planning 62 Tourism 62 Literature Hindi 59 History 58 Natural Resource Economics, (New March 2000) 58 Plant Pests, (New March 2000) 58 Sustainability 58 Plant Breeding and Genetics 53 Plant pests 49 Agricultural Economics 48 Horticultural Crops, (New March 2000) 48 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 44 Plants 43 Asia 42 Maxmuller, F 40 Plant Production 40 Taxonomy and Evolution 40 Plant diseases 39 Behaviour 38 Man 37 Taxonomy 37 Pest control 36 Plant pathogens 36 Field Crops, (New March 2000) 35