Columbia subject headings:
Donald, William.
Merchant marine--Great Britain--History.
Merchant mariners--Scotland--Biography.
Shipping--Great Britain--History.
Harvard subject headings:
Donald, William.
Marchant mariners--Scotland--Biography.
Merchant marine--Great Britain--History
Shipping--Great Britain--History
Princeton subject headings:
Donald, William, 1897-
Merchant mariners--Scotland--Biography.