Columbia subject headings:
Law firms--United States--History.
Lawyers--New York (State)--Long Island--Biography.
Rivkin, Leonard, 1925-
Rivkin, Radler, Dunne & Bayh--History.
Harvard subject headings:
Law firms--United States--History.
Lawyers--New York (State)--Long Island--Biography.
Rivkin, Leonard, 1925-
Rivkin, Radler, Dunne & Bayh--History.
Princeton subject headings:
Lawyers--New York (State)--Biography.
Rivkin, Leonard, 1925-