Columbia subject headings:
Cetacea--Early works to 1800.
Fishes--Early works to 1800.
Mammals--Early works to 1800.
Natural history--Pre-Linnean works--Early works to 1800.
Zoology--Pre-Linnean works--Early works to 1800.
Harvard subject headings:
Fishes--Early works to 1800.
Whales--Early works to 1800.
Zoology--Pre-Linnean works
Princeton subject headings:
Fishes--Early works to 1800.
Whales--Early works to 1800.
Zoology--Pre-Linnean works.