Criswell, E. H. (1940). Lewis and Clark: Linguistic pioneers. The University of Missouri.
Cita Chicago Style (17a ed.)Criswell, Elijah Harry. Lewis and Clark: Linguistic Pioneers. The University of Missouri, 1940.
Cita MLA (8a ed.)Criswell, Elijah Harry. Lewis and Clark: Linguistic Pioneers. The University of Missouri, 1940.
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