Observations on the project for abolishing the slave trade and on the reasonableness of attempting some practicable mode of relieving the negroes - Sheffield, John Holroyd Earl of 1735-1821 (printed for J. Debrett, opposite Burlington House, Piccadilly, 1790)
Anonymous. By John Baker Holroyd
English Short Title Catalog, T6211
Goldsmiths', 14511
Reproduction of original from British Library
With a half-title