There are 5 titles associated with this firm.

Riccoboni, Marie Jeanne. The History of the Marquis de Cressy. Translated from the French. London: John Balfour, Thomas Becket and P. A. De Hondt, 1765.
Keir, Elizabeth. Interesting memoirs. By a lady. In two volumes. ... London: Thomas Cadell [London], Andrew Strahan [1788-1806, 1817-1831], William Creech, John Balfour, 1785.
Keir, Elizabeth. Interesting memoirs. By a lady. In two volumes. The Second Edition. London: Thomas Cadell [London], Andrew Strahan [1788-1806, 1817-1831], William Creech, John Balfour, 1785.
Keir, Elizabeth. Interesting memoirs. By a lady. In two volumes. The third edition. London: Thomas Cadell [London], Andrew Strahan [1788-1806, 1817-1831], William Creech, John Balfour, 1786.
Kelly, Isabella. A collection of poems and fables, by Mrs. Isabella Kelly. London: John Debrett [179 Piccadilly], John Balfour, William Richardson [Cornhill], 1794.