Columbia subject headings:
Police administration--United States--History.
Police--United States--Biography.
Wilson, O. W. (Orlando Winfield), 1900-1972.
Harvard subject headings:
Police administration--United States--History.
Police--United States--Biography
Wilson, O. W. (Orlando Winfield), 1900-1972.
Princeton subject headings:
Police administration--United States--History.
Police--United States--Biography.
Wilson, O. W. (Orlando Winfield), 1900-1972.