Title page of J.H. Van Evrie, Negroes and Negro “Slavery;” The First, an Inferior Race—The Latter, Its Normal Condition. Introductory Number: Causes of Popular Delusion on the Subject (New York: Day Book Office, 1853).
Van Evrie’s innovations lay not in his ideas, but in how he marketed and distributed them, including by packaging them in cheap pamphlets such as this, his first.