There are 6 titles associated with this firm.

Mayo , H. (1792). An address to protestant dissenters, on the origin and influence of the regium donum. London: William Ash. Henry Delahoy Symonds [Paternoster Row] Levi Wayland. Martha Gurney.
Mayo , H. (1792). An address to protestant dissenters, on the origin and influence of the regium donum. London: William Ash. Henry Delahoy Symonds [Paternoster Row] Levi Wayland. Martha Gurney.