Columbia subject headings:
Harvard subject headings:
Explorers--Bibliography--Catalogs.
Library catalogs--Rhode Island--Providence.
Library catalogs.
Providence Athenaeum--Catalogs.
Travel--Bibliography--Catalogs.
Voyages and travels--Bibliography--Catalogs.
Princeton subject headings:
Explorers--Bibliography--Catalogs.
Library catalogs.
Providence Athenaeum--Catalogs.
Travel--Bibliography--Catalogs.
Voyages and travels--Bibliography--Catalogs.