William Strahan was a partner in the firm W. Strahan and T. Cadell (Printers : London, England).
Dict. of the printers and booksellers ... in England, Scotland, and Ireland, 1726-1775 p. 239 (Strahan, William; b. 3/24/1715; d. 7/9/1785; printer in London)
DNB (Strahan, William, 1715-1785)
Hume, D. The life of David Hume, Esq., 1777 p. 39 (William Strahan, Esq.)
LC data base, 4-12-90 (hdg.: Strahan, William, 1715-1785)
The history of the late war in North-America, and the islands of the West-Indies, 1772 t.p. (Printed for W. Strahan)