Columbia subject headings:
Harvard subject headings:
Fishes--Canada--Geographical distribution.
Fishes--Geographical distribution--Atlases.
Fishes--North America--Geographical distribution--Atlases.
Fishes--United States--Geographical distribution.
Freshwater fishes--Canada--Geographical distribution.
Freshwater fishes--North America--Geographical distribution--Atlases.
Freshwater fishes--United States--Geographical distribution.
Princeton subject headings:
Fishes--Geographical distribution.
Fishes--North America--Geographical distribution.
Freshwater fishes--North America--Geographic distribution.