Subfield
- Transportation9
- Tourism, Leisure and Hospitality Management8
- Industrial relations7
- Archeology4
- Experimental and Cognitive Psychology4
- General Arts and Humanities3
- Life-span and Life-course Studies3
- Statistics, Probability and Uncertainty3
- Visual Arts and Performing Arts3
- Cultural Studies2
- General Health Professions2
- Information Systems2
- Museology2
- Philosophy2
- Applied Mathematics1
- Computer Networks and Communications1
- Computer Science Applications1
- General Agricultural and Biological Sciences1
- General Decision Sciences1
- General Psychology1