Columbia subject headings:
Dublin (Ireland)--History--20th century.
Ireland--History--Easter Rising, 1916.
Irish Volunteers.
Harvard subject headings:
Dublin (Ireland)--History--20th century.
Ireland--History--Easter Rising, 1916.
Irish Republican Army--History--20th century.
Political violence--Ireland--History--20th century
Princeton subject headings:
Dublin (Ireland)--History--20th century.
Ireland--History--Easter Rising, 1916.
Irish Volunteers.