Leffingwell, Ernest de K. (Ernest de Koven), 1875-1971
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Additional Information
Exact Matching Concepts from Other Schemes
Closely Matching Concepts from Other Schemes
Sources
found: The Canning River region, northern Alaska, 1919:t.p. (Ernest de K. Leffingwell)
found: OCLC, Nov. 24, 1998(hdg.: Leffingwell, Ernest de Koven, 1876-; Leffingwell, E. de K. (Ernest de Koven), 1876-; usage: Ernest de K. Leffingwell; E. de K. Leffingwell)
found: Social security death index, April 26, 2004(Ernest Leffingwell; b. Jan. 13, 1875; d, Jan. 1971)
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Change Notes
1998-12-07: new
2004-04-26: revised
Alternate Formats