History 20 Weed Science 12 Arts 11 Plant physiology 9 Journalism 8 Authorship 7 Historiography 7 Decorative arts 6 Literature 6 Motion pictures 6 Physiologie végétale 6 Plant Physiological Phenomena 6 India 5 Production and direction 5 Reporters and reporting 5 Research 5 Social conditions 5 THE ARTS AND CRAFS OF TRAVANCORE 5 Technological innovations 5 Branding (Marketing) 4 Craft 4 Folk art 4 Herbicides 4 History--description--critical appraisal of literature 4 Management 4 Mass media 4 Poetry 4 Politics and government 4 Teaching Methods 4 Theater 4