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- Smithsonian Institution. Board of Regents3
- United States. Congress. House3
- Alexander, Boyd1
- Anderson, Carl D.1
- Attenborough, David, 1926-1
- BBC America, production company1
- BBC Worldwide Ltd., film distributor1
- Baggallay, Frank Thomas1
- Ball, Robert S. (Robert Stawell), 1840-19131
- Barrett, C.L.1
- Barton, Miles1
- Bell, Eleanor Yorke1
- Billings, John S. (John Shaw), 1838-19131
- Brandt, Karl Andreas Heinrich1
- British Broadcasting Corporation. Natural History Unit, production company1
- Brooks, William Keith1
- Campbell, W.W.1
- Carhart, Henry S., (Henry Smith)1
- Compton, Karl T.1
- Curtis, Thomas E.1