Columbia subject headings:
Harvard subject headings:
Cliff, James Henry Treloar, 1858-1938.
Cornwall (England : County)--History, Naval.
Merchant mariners--England--Cornwall (County)--Biography.
Navigation--England--Cornwall (County)
Princeton subject headings:
Cliff, James Henry Treloar, 1858-1938.
Cornwall (England : County)--History, Naval.
Merchant mariners--England--Cornwall (County)--Biography.
Navigation--Cornwall(County).