SUBJECT
Tourist trade
Economic aspects
43
Marketing
28
Travel
28
Research
27
Hotels, taverns, etc
22
Management
21
Tourism
21
Planning
19
Vocational guidance
18
Hospitality industry
15
Social aspects
15
Statistics
15
Travel agents
12
Law and legislation
10
Geography
9
Tourist trade and state
9
Description and travel
8
Environmental aspects
8
Government policy
8
Recreation
8
Religious aspects
8
Travelers
8
Economic conditions
7
Finance
7
Leisure
7
Leisure industry
7
Accounting
6
Hotel management
6
Information services
6
Transportation
6
Cities and towns
5
Conservation and restoration
5
Food service
5
Historic sites
5
Prostitution
5
Recreation areas
5
Airlines
4
Christianity
4
Data processing
4
Economic policy
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
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