There are 11 titles associated with this firm.

Hughes, Sylvia. The Adventures of Sylvia Hughes. Written by Herself. London: John Williams [Mitre Tavern], 1761.
Griffith, Elizabeth. The Double Mistake. A Comedy. As it is performed at the Theatre-Royal in Covent-Garden. London: Samuel Bladon [Paper Mill, Paternoster Row], John Williams [Mitre Tavern], John Almon [Piccadilly], Thomas Lowndes [Fleet Street], 1766.
Griffith, Elizabeth. The Double Mistake. A Comedy. As it is performed at the Theatre-Royal in Covent-Garden. The Second Edition, Corrected. London: Samuel Bladon [Paper Mill, Paternoster Row], John Williams [Mitre Tavern], John Almon [Piccadilly], Thomas Lowndes [Fleet Street], 1766.
Griffith, Elizabeth. The Double Mistake. A Comedy. As it is performed at the Theatre-Royal in Covent-Garden. The Third Edition. London: Samuel Bladon [Paper Mill, Paternoster Row], John Williams [Mitre Tavern], John Almon [Piccadilly], Thomas Lowndes [Fleet Street], 1766.
Montagu, Mary W. The poetical works of the Right Honourable Lady M-y W-y M-e. London: John Williams [Mitre Tavern], 1768.