There are 6 titles associated with this firm.

Mayo, Henry. 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, 1792.
Mayo, Henry. 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, 1792.