A Dictionary of the Booksellers and Printers who Were at Work in England, Scotland and Ireland from 1641 to 1667/Ballard (William)
BALLARD (WILLIAM), bookseller in Bristol; Bible in Com Street, 1651–53. His name is found on Robert Purnell's Way to Heaven discovered, 1653. [E. 1489 (2).] He was a dealer in Welsh books. [Rowland's Cambrian Bibliograpy, p. 156.]