Columbia subject headings:
Harvard subject headings:
G.W. Blunt White Library.
Lawrence & Co. (New London, Conn.)--Archives--Indexes.
Lawrence & Co. (New London, Conn.). Records, 1822-1904--Indexes.
Sealing industry--Connecticut--New London--History--Sources--Indexes.
Whaling--Connecticut--New London--History--Sources--Indexes.
Princeton subject headings:
Lawrence & Co. (New London, Conn.)--Archives--Indexes.
Whaling--Connecticut--New London--History--Sources.