Hadley, Lewis F. (Lewis Francis)

Student of Indian languages.

A life-long resident among the Indians, Lewis F. Hadley began to focus exclusively on Indian sign language after the issuance of an 1880 Smithsonian Bureau of Ethnology report on the subject. In 1887 he engraved 685 "crude diagrams" and produced nineteen proofs of the same for review by the Indians. These diagrams were later improved and incorporated into Hadley's Indian sign talk : being a book of proofs ... (Chicago : Baker & Co., 1893)

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