Dunbar, A. (1781). An oration delivered at the Reverend T. Harrington's church, Lancaster, June twenty-fifth, Anno Lucis 5781: Upon the festival of St. John the Baptist, in presence of the brethren of Trinity lodge, no. 6, of the most ancient and honorable Society of Free and Accepted Masons, under the jurisdiction of the most worshipful Grand Lodge in Boston, Commonwealth of Massachusetts. Printed by Brother Isaiah Thomas.

Dunbar, Asa. An Oration Delivered at the Reverend T. Harrington's Church, Lancaster, June Twenty-fifth, Anno Lucis 5781: Upon the Festival of St. John the Baptist, in Presence of the Brethren of Trinity Lodge, No. 6, of the Most Ancient and Honorable Society of Free and Accepted Masons, Under the Jurisdiction of the Most Worshipful Grand Lodge in Boston, Commonwealth of Massachusetts. Worcester, Mass.: Printed by Brother Isaiah Thomas, 1781.

Dunbar, Asa. An Oration Delivered at the Reverend T. Harrington's Church, Lancaster, June Twenty-fifth, Anno Lucis 5781: Upon the Festival of St. John the Baptist, in Presence of the Brethren of Trinity Lodge, No. 6, of the Most Ancient and Honorable Society of Free and Accepted Masons, Under the Jurisdiction of the Most Worshipful Grand Lodge in Boston, Commonwealth of Massachusetts. Printed by Brother Isaiah Thomas, 1781.