A Dictionary of the Booksellers and Printers who Were at Work in England, Scotland and Ireland from 1641 to 1667/Humble (William)
HUMBLE (WILLIAM), bookseller in London; The White Horse (?) in Pope's Head Alley, 1646-59. Probably a descendant of George Humble, who sold books at the White Horse in Pope's Head Alley. Publisher of John Speed's works, which he assigned over to William Garrett, q.v., March, 16589.