Columbia subject headings:
Merchant marine--Maritime Provinces--History--19th century.
Merchant marine--Newfoundland and Labrador--History--19th century.
Merchant mariners--Maritime Provinces--History--19th century.
Merchant mariners--Newfoundland and Labrador--History--19th century.
Harvard subject headings:
Merchant marine--Maritime Provinces--History--19th century.
Merchant marine--Newfoundland--History--19th century.
Merchant mariners--Maritime Provinces--History--19th century.
Merchant mariners--Newfoundland--History--19th century.
Princeton subject headings:
Merchant marine--Maritime Provinces--History--19th century.
Merchant marine--Newfoundland--History--19th century.
Merchant mariners--Maritime Provinces--History--19th century.
Merchant mariners--Newfoundland--History--19th century.