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 (Printed for J. Debrett, 1790)
Also filmed as item no. 14514.2 suppl. - Attributed to J. Sheffield--Cf. NUC pre-1956. - Goldsmiths'-Kress no. 14511. - OCLC, 22576890. - Reproduction of original from Columbia University