Royce, William Hobart, compiled by
Watt, William J., and Spears, James R. H., eds.
Martin, Paul S., & Quimby, George I. & Collier, Donald
Russo, Thomas N.; Florida Geological Survey
Sheldon, Eleanor Bernert; Moore, Wilbert Ellis, eds.
McClelland, Nina I., ed.
Koppel, Bruce., ed.
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