. Memoir upon the formation of a deaf variety of the human race [microform]. Genetics; Heredity, Human; Human genetics; Génétique; Hérédité humaine; Génétique humaine. 40 35. 30 25 .£ 20 15_; S. MIS. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bell,Alexander Graham, 1847-1922. [S. l. : s. n.

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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherslsn, bookyear1884