Columbia subject headings:
Catholics--New York (State)--New York--History--19th century.
German Americans--New York (State)--New York--History--19th century.
Irish Americans--New York (State)--New York--History--19th century.
Harvard subject headings:
Catholics--New York (State)--New York--History--19th century.
German Americans--New York (State)--New York--History--19th century.
Irish Americans--New York (State)--New York--History--19th century.
Princeton subject headings: