Source:Lambing
From Pittsburgh Streets
A. A. Lambing and J. W. F. White. Allegheny County: Its early history and subsequent development. Snowden & Peterson, Pittsburgh, 1888. Google Books 6bY-AAAAYAAJ; HathiTrust 008957728, 100693049; Historic Pittsburgh 00aee8946m; Internet Archive centennialhistor00lamb; LCCN 18008828.
