Columbia subject headings:
Conradh na Gaeilge--History.
Ireland--History--1922-
Ireland--History--Easter Rising, 1916.
Harvard subject headings:
Gaelic League (Ireland)--History.
Ireland--History--1922-
Ireland--History--Easter Rising, 1916.
Irish language--Revival.
Revolutionaries--Ireland--Biography
Ó Fathaigh, Pádraig, 1879-1976.
Princeton subject headings:
Gaelic League (Ireland)--History.
Ireland--History--1922-
Ireland--History--Easter Rising, 1916.
Ó Fathaigh, Pádraig, 1879-1976.