"Plan of property owned by the Denny estate situated in the 2nd Ward Allegheny made for Robert McKnight and Wm. M. Paxton executors of Elizabeth F. Denny, deceased." Laid out Nov. 1, 1879; recorded Nov. 7, 1879, Plan Book 6, pp. 193–195. Allegheny County Recorder of Deeds 3779419.
