Nicholson, J. P. 1. (1893). Pennsylvania at Gettysburg: Ceremonies at the dedication of the monuments erected by the commonwealth of Pennsylvania to mark the positions of the Pennsylvania commands engaged in the battle. [Harrisburg: E. K. Meyers, state printer].

Nicholson, John P. 1842-1922. Pennsylvania At Gettysburg: Ceremonies At the Dedication of the Monuments Erected By the Commonwealth of Pennsylvania to Mark the Positions of the Pennsylvania Commands Engaged in the Battle. [Harrisburg: E. K. Meyers, state printer], 1893.

Nicholson, John P. 1842-1922. Pennsylvania At Gettysburg: Ceremonies At the Dedication of the Monuments Erected By the Commonwealth of Pennsylvania to Mark the Positions of the Pennsylvania Commands Engaged in the Battle. [Harrisburg: E. K. Meyers, state printer], 1893.