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Author/Creator
- Archer, J. Clark3
- Anspach, Amy Beth1
- Bernstein, Mark F.1
- Biewick, Laura H.1
- Boswell, Thomas D.1
- Branch, Melville Campbell, 1913-1
- Brunn, Stanley D.1
- Congressional Quarterly, inc1
- Cruz Báez, Angel David1
- De Blij, Harm J.1
- DeFranco, Laurence J.1
- DeWitt, John Paul1
- Devesa, Susan S.1
- Facts on File, Inc1
- Ferrell, Robert H.1
- Flanders, Stephen A.1
- Frey, William H.1
- Geological Survey (U.S.)1
- George Philip & Son1
- Glasmeier, Amy1