Subject
Irish language
12
History
10
Irish literature
10
Manuscripts, Irish
9
Scottish Gaelic language
8
Irish poetry
7
History and criticism
6
Celtic philology
5
Dialects
5
Manuscripts
5
Study and teaching
5
Grammar
4
Phonetics
4
Research
4
Texts
4
Welsh language
4
Geography
3
Tales
3
Bards and bardism
2
Catalogs
2
Celtic languages
2
Celtic literature
2
Celts
2
Christian saints
2
Church history
2
Climate
2
Criticism, Textual
2
Crust
2
Geodesy
2
Geomagnetism
2
Geophysics
2
Irish philology
2
Law
2
Maps
2
Meteorology
2
Names, Geographical
2
Plate tectonics
2
Sources
2
Statistical mechanics
2
Thermodynamics
2
Word formation
2
Aisling
1
Alphabet
1
Bee culture
1
Beekeepers
1
Bibliography
1
Breton language
1
Catechisms
1
Catechisms, Irish
1
Catholic authors
1
more ...