Subject
History
34
History and criticism
17
Congresses
16
Research
12
Criticism and interpretation
11
Study and teaching
9
Antiquities
7
Bioengineering
7
Civilization
7
Archaeology
6
Education
6
English literature
6
Irish authors
6
Science
6
Social aspects
6
Women
5
Celts
4
Economic policy
4
In literature
4
Livestock
4
Philosophy
4
Books
3
Celtic languages
3
Data processing
3
Environmental policy
3
Intellectual life
3
Ireland
3
Irish
3
Library buildings
3
Nationalism
3
Relations
3
Services for
3
Social conditions
3
Social sciences
3
Socialism
3
Universities and colleges
3
Agriculture
2
Art, Irish
2
Art, Medieval
2
Botany
2
Bronze age
2
Castles
2
Christianity
2
Civilization, Medieval
2
Computational linguistics
2
Computer networks
2
Computer vision
2
Conservation and restoration
2
Councils and synods
2
Dance
2
more ...