A letter to the Right Honourable William Pitt, on the additional tax of two shillings and sixpence on every hundred weight of sugar with some observations on the slave trade - Protoplastos (Printed for the author, 1797)
Goldsmiths'-Kress no. 16929. - OCLC, 22416695. - Reproduction of original from Goldsmiths' Library, University of London. - Signed in Greek characters: Protoplastos