Columbia subject headings:
Harvard subject headings:
Chapple, Frank.
Electrical Trades Union (Great Britain)--Biography.
Electrical Trades Union (Great Britain)--History.
Labor unions--Great Britain--Officials and employees--Biography.
Princeton subject headings:
Chapple, Frank, 1920-
Electrical Trades Union (Great Britain)--Biography.
Electrical Trades Union (Great Britain)--History.
Labor unions--Great Britain--Officials and employees--Biography.