Subject
History
25
Airlines
15
Air travel
14
Aeronautics, Commercial
13
Travel
10
Irish
7
Transportation
5
Tourism
4
Irish Americans
3
Posters
3
Societies, etc
3
Transport
3
Airports
2
Bookmarks
2
Advertising
1
Air mail service
1
Air pilots
1
Attitudes
1
Christian saints
1
Congresses
1
Costume design
1
County Clare, Shannon
1
Economic conditions
1
Fashion
1
Foreign relations
1
Health aspects
1
Holy Year
1
Holy Year, 1950
1
Journeys
1
Libraries
1
Marketing
1
Periodicals
1
Political activity
1
Presidents
1
Religion
1
Social life and customs
1
Souvenirs (Keepsakes)
1
Training of
1
Tropical medicine
1
Women
1