Columbia subject headings:
Harvard subject headings:
Academy of Natural Sciences of Philadelphia--Natural history collections--Catalogs.
Academy of Natural Sciences of Philadelphia--Natural history collections.
Type specimens (Natural history)--Catalogs and collections--Pennsylvania--Philadelphia.
Type specimens (Natural history)--Pennsylvania--Philadelphia.
Vertebrates, Fossil--Type specimens--Catalogs and collections--Pennsylvania--Philadelphia.
Vertebrates, Fossil--Type specimens--Pennsylvania--Philadelphia.
Princeton subject headings:
Academy of Natural Sciences of Philadelphia--Natural history collections--Catalogs.
Type specimens (Natural history)--Pennsylvania--Philadelphia--Catalogs.
Vertebrates, Fossil--Type specimens--Pennsylvania--Philadelphia--Catalogs.