There are 20 titles associated with this firm.

Darwall, Elizabeth. The Storm, with Other Poems. By Elizabeth Darwall. London: Knott and Lloyd, James Ridgway [170 Piccadilly], 1810.
Wardle, Charlotte. Norway: A Poem. London: James Ridgway [170 Piccadilly], 1814.
Trench, Melesina. A Monody on the Death of Mr. Grattan. London: James Ridgway [170 Piccadilly], 1820.