SUBJECT
Tourist trade
Economic aspects
42
Marketing
28
Travel
28
Research
26
Hotels, taverns, etc
21
Management
21
Tourism
20
Planning
19
Vocational guidance
18
Hospitality industry
15
Social aspects
15
Statistics
15
Travel agents
12
Geography
9
Law and legislation
9
Tourist trade and state
9
Description and travel
8
Recreation
8
Economic conditions
7
Environmental aspects
7
Finance
7
Leisure
7
Leisure industry
7
Religious aspects
7
Travelers
7
Accounting
6
Hotel management
6
Information services
6
Transportation
6
Cities and towns
5
Conservation and restoration
5
Food service
5
Government policy
5
Historic sites
5
Prostitution
5
Recreation areas
5
Airlines
4
Data processing
4
Farms
4
Industries
4
Motels
4
Recreational use
4
Regional planning
4
Advertising
3
Aeronautics and state
3
Agriculture
3
Banks and banking
3
Christianity
3
Congresses
3
more ...