There are 8 titles associated with this firm.

Unknown, [Woman]. Stanzas, Occasioned by the Death of the Rev. Thomas Coke, LL.D. on His Voyage on a Mission to India. By a Young Lady. London: William Kent, Thomas Blanshard [or Blanchard], Joseph Bruce, 1814.
Wesley, Charles. Sermons by the late C. W. With a memoir of the Author, by the Editor. London: Robert Baldwin, Charles Cradock, and William Joy, Leonard Benton Seeley [Fleet Street], Thomas Blanshard [or Blanchard], 1816.