[PRATT, Samuel Jackson]. ~ Humanity, or the Rights of Nature, a Poem. In two Books... London: Printed for T. Cadell... 1788.
4to (262 × 207 mm), pp. , iv, 114, ; complete with the half-title, errata, and final advertisement leaf; ms. ink corrections to pp. 4, 12, and 21; light foxing to final leaf; recent marbled wrappers.
First edition of Pratt’s poem on the slave trade. ‘Humanity requires that the Rights of Nature should be enjoyed by every Human Being. It is therefore against the shocking barbarity, the unquestionable cruelty, and the too well-attested horror, growing out of these, that I contend.—An abolition of these enormities is absolutely necessary’ (p. iii). Jackson, p. 139.