HUGH BLAIR D.D. / Painted by D. Martin ; Engrav'd by J. Caldwall. - [Londra] N.° 144 in the Strand : Published according to Act of Parliament for W. Strachan & T. Cadell, May 1.1783. - 1 stampa : bulino ; ovale riq., 174x111, smg., foglio 210x129 mm.
