(1875). Centennial Anniversary of the Pennsylvania Society, for Promoting the Abolition of Slavery, the Relief of Free Negroes Unlawfully held in Bondage and for Improving the Condition of the African Race. Philadelphia: Grant, Faires & Rodgers, printers.

Centennial Anniversary of the Pennsylvania Society, for Promoting the Abolition of Slavery, the Relief of Free Negroes Unlawfully Held in Bondage and for Improving the Condition of the African Race. Philadelphia: Grant, Faires & Rodgers, printers, 1875.

Centennial Anniversary of the Pennsylvania Society, for Promoting the Abolition of Slavery, the Relief of Free Negroes Unlawfully Held in Bondage and for Improving the Condition of the African Race. Philadelphia: Grant, Faires & Rodgers, printers, 1875.