Columbia subject headings:
Irish Americans.
O'Connor, Joseph, 1963---Travel--United States.
Harvard subject headings:
Authors, Irish--20th century--Biography
Irish Americans--Anecdotes.
Irish--United States--Anecdotes.
O'Connor, Joseph, 1963---Journeys--United States.
United States--Description and travel.
Princeton subject headings:
Irish Americans.
O'Connor, Joseph, 1963---Travel--United States.
United States--Description and travel.