1. An open letter to the Second Congregational Church, of Dorchester, Mass. Collection: Samuel J. May Anti-Slavery Pamphlet Collection Publisher: Printed by W. Richardson Publication Place: Boston Date: 1880 Format: Book
2. Colonel Gordon, R.E., C.B., and the slave trade in Egypt, the Soudan, and equatorial Africa. Collection: Samuel J. May Anti-Slavery Pamphlet Collection Publisher: British and Foreign Anti-Slavery Society Publication Place: London Date: 1880 Format: Book
3. Reminiscences of fugitive-slave law days in Boston Collection: Samuel J. May Anti-Slavery Pamphlet Collection Publisher: Printed by Warren Richardson Publication Place: Boston Date: 1880 Format: Book
4. The national platforms of the Republican and Democratic parties from 1856 to 1880 inclusive. Collection: Samuel J. May Anti-Slavery Pamphlet Collection Publisher: s.n. Publication Place: S.l. Date: 1880 Format: Book
5. Memoria historica e politica sobre o commercio da escravatura : entregue no dia 2 de novembro de 1816 Collection: Samuel J. May Anti-Slavery Pamphlet Collection Publisher: Imprensa nacional Publication Place: Lisboa Date: 1880 Format: Book