(1788). The constitution of the Pennsylvania Society, for Promoting the Abolition of Slavery, and the Relief of Free Negroes, Unlawfully Held in Bondage: Begun in the year 1774, and enlarged on the twenty-third of April, 1787 : to which are added, the acts of the General Assembly of Pennsylvania, for the gradual abolition of slavery. Philadelphia: Printed by Francis Bailey, for "The Pennsylvania Society for Promoting the Abolition of Slavery, and the Relief of Free Negroes Unlawfully Held in Bondage".

The Constitution of the Pennsylvania Society, for Promoting the Abolition of Slavery, and the Relief of Free Negroes, Unlawfully Held in Bondage: Begun in the Year 1774, and Enlarged On the Twenty-third of April, 1787 : To Which Are Added, the Acts of the General Assembly of Pennsylvania, for the Gradual Abolition of Slavery. Philadelphia: Printed by Francis Bailey, for "The Pennsylvania Society for Promoting the Abolition of Slavery, and the Relief of Free Negroes Unlawfully Held in Bondage", 1788.

The Constitution of the Pennsylvania Society, for Promoting the Abolition of Slavery, and the Relief of Free Negroes, Unlawfully Held in Bondage: Begun in the Year 1774, and Enlarged On the Twenty-third of April, 1787 : To Which Are Added, the Acts of the General Assembly of Pennsylvania, for the Gradual Abolition of Slavery. Philadelphia: Printed by Francis Bailey, for "The Pennsylvania Society for Promoting the Abolition of Slavery, and the Relief of Free Negroes Unlawfully Held in Bondage", 1788.