Columbia subject headings:
Harvard subject headings:
La Brea pits (Calif.)
Mammals, Fossil.
Paleontology--California
Paleontology--California--La Brea Pits.
Paleontology--Pleistocene
Vertebrates, Fossil
Princeton subject headings:
La Brea Pits (Calif.)
Mammals, Fossil.
Paleontology--California.
Paleontology--Pleistocene.