Columbia subject headings:
Harvard subject headings:
Ireland--Politics and government--1922-
Irish Republican Army--Biography.
Political violence--Ireland--History--20th century
Revolutionaries--Ireland--Biography
Ryan, Frank, 1902-1944.
Princeton subject headings:
Ireland--Politics and government--1922-
Irish Republican Army--Biography.
Revolutionaries--Ireland--Biography.
Ryan, Frank, 1902-1944.