Columbia subject headings:
Animals in motion pictures.
Grzimek, Bernhard.
Grzimek, Michael, 1934-1959.
Zoos in motion pictures.
Harvard subject headings:
Animals in motion pictures
Animals in motion pictures--Congresses.
Animals on television--Congresses.
Documentary films.
Grzimek, Bernhard--Congresses.
Grzimek, Bernhard.
Grzimek, Michael, 1934-1959--Congresses.
Grzimek, Michael, 1934-1959.
Wildlife conservationists--Germany--Congresses.
Wildlife films.
Zoo animals--Congresses.
Zoos in motion pictures.
Zoos--Congresses.
Princeton subject headings:
Animals in motion pictures.
Grzimek, Bernhard.
Grzimek, Michael, 1934-1959.
Zoos in motion pictures.