John Chaloner Smith, British mezzotinto portraits, part 1, London 1878, p. 442, no. 379 ("379. Thomas Weston. Dahl. T. Q. L., sitting, directed towards right, facing and looking to front, wig, striped gown, right hand pointing to cone cut into sections on table before him (on which lie instruments, diagram, inkstand, book lettered Lectiones Astronomicae Lectio 12ma), left hand on corner. Under, M Dahl pinx : John Faber fecit 1723 Mr Thomas Weston …")
R. Burgess, Portraits of doctors & scientists in the Wellcome Institute, London 1973, no. 3165.1
