The most influential female member of the Society for Effecting the Abolition of the African Slave Trade. ALS signed 'H. More,' one page both sides, 4.5 x 7.5, June 29, 1822. More writes to a gentleman concerning the proofs of one of her books. In very good condition, with light overall toning, show through from ext on reverse and a reply written on the integral second page. RRAuction COA.