The Life of John Metcalf, Commonly Called Blind Jack of Knaresborough (York: E. & R. Peck, 1795) · John Metcalf (dictated) · York: E. & R. Peck, 1795; Project Gutenberg ebook #69595
For “Description (Blindness)” ABT 1723 of John Metcalf
"When four years old, he was put to school by his parents … and continued at school two years: He was then seized with the small-pox, which rendered him totally blind." … "at the age of thirteen had John taught music, at which he proved very expert."