Columbia subject headings:
Haycraft, Colin, 1929-1994.
Publishers and publishing--Great Britain--Biography.
Harvard subject headings:
Duckworkth (Firm)--History.
Haycraft, Colin, 1929-1994.
Publishers and publishing--Great Britain--History--20th century
Princeton subject headings:
Duckworkth (Firm)--History.
Haycraft, Colin, 1929-1994.
Publishers and publishing--Great Britain--History--20th century.