Another specimen of mendicant literature is this pamphlet by carpenter William B. Swett, recounting his explorations in the mountains of New Hampshire. Proceeds from its original printing were devoted to the Boston Deaf-Mute Mission, but Swett's…
As part of his research on deafness, Alexander Graham Bell made statistical analyses of the deaf-mutes and determined that deafness was hereditary and that the number of intermarriages between deaf-mutes was high and growing. He concluded that…