Architecture 85 City & town planning - architectural aspects 70 History of architecture 53 Landscape art & architecture 40 Theory of architecture 32 Urban & municipal planning 31 Urban communities 27 Environmentally-friendly architecture & design 25 Software Engineering 22 Landscape archaeology 20 Architecture: professional practice 18 Industrial archaeology 18 Industrialisation & industrial history 18 Architectural structure & design 16 Artificial intelligence 16 Computer science 16 Information architecture 16 Research & information: general 16 Technology: general issues 16 Applied ecology 15 Computer architecture & logic design 15 History of engineering & technology 14 The arts 13 Business mathematics & systems 12 Human geography 12 Biology, life sciences 11 Computer networking & communications 10 Public buildings: civic, commercial, industrial, etc 10 Sociology 10 Computer programming / software development 9