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Author/Creator
- Ackerman, S. D.1
- Adam Matthew Digital (Firm)1
- Afghanistan. Department of Geological Survey1
- Afghanistan. Geological and Mineral Survey29
- Afghanistan. Idārah-i ʻUmūmī-i Jiyūdīzī va Kārtūgrāfī2
- American Cancer Society2
- Andriot, Jay1
- Appalachian Regional Commission1
- Arkansas Soil and Water Conservation Commission2
- Arthur, J. Kerry2
- Arya, R. P.13
- Astrogeology Research Program (Geological Survey)3
- Atlanta Transit Company1
- Bankey, Viki1
- Barraclough, Geoffrey, 1908-19841
- Barringer, J. C.1
- Bartholomew, J. G. (John George), 1860-19201
- Bartholomew, John, 1890-19621
- Batavia (N.Y.)1
- Bawiec, W. J.1