- A Treatise on the Principles of Landscape Drawing...
- A Practical Treatise on the Art of Drawing in Perspective:adapted for the study of those who draw from nature; by which the usual errors can be avoided; printed for Sherwood, Gilbert, and Piper,...and R.Ackermann, ..., London ?1815/1820?
- A Treatise on Zodiacal Physiognomy, illustrated by engravings of heads and features, and accompanied by tables of the time of rising of the twelve signs of the zodiac; and containing also new and astrological explanations of some remarkable portions of ancient mythological history; published for the author, 10 1/2, Great Tichfield Street, London 1928; sold by Longman; IV, 60pp.: 6 Plates, (8vo), 25 cm; plates engraved by J.Linnell.
- William Blake (Symons)/Extract from Varley's Zodiacal Physiognomy