1. Slavery Collection: Samuel J. May Anti-Slavery Pamphlet Collection Publisher: J.T. Gibbs Publication Place: Okawville, Ill. Date: 1913 Format: Book
2. Zur Errinnerung an die Befreiung der Sklaven in Suriname vor 50 Jahren : 1. Juli 1863 Collection: Samuel J. May Anti-Slavery Pamphlet Collection Publisher: Verlag der Missionsbuchhandling Publication Place: Herrnhut Date: 1913 Format: Book
3. a The Union Society of the Civil war : organized in the city of New York on January thirtieth, 1909, incorporated under the laws of the state of New York. Collection: Samuel J. May Anti-Slavery Pamphlet Collection Publisher: Press of W.R. Jenkins Co. Publication Place: New York Date: 1913 Format: Book