v. 1. Annotated index of letters in the Philanthropist, Emancipator, Genius of universal emancipation, Abolition intelligencer, African observer, and the Liberator, 1817-1845.
v. 2. Annotated index of letters in the Liberator, Anti-slavery record, Human rights, and the Observer, 1835-1865.
v. 3. Annotated index of letters in the Friend of man, Pennsylvania freeman, Advocate of freedom, and American & foreign anti-slavery reporter, 1836-1854.
v. 4. Annotated index of letters in the National anti-slavery standard, 1840-1860.
v. 5. Annotated index of letters in the National anti-slavery standard, 1861-1871.