Source:Digest-1887
From Pittsburgh Streets
W. W. Thomson. A Digest of the Acts of Assembly Relating to, and the General Ordinances of the City of Pittsburgh from 1804 to Sept. 1, 1886: With references to decisions thereon. Edwin K. Meyers, Harrisburg, 1887. Google Books Rs5CAAAAYAAJ; HathiTrust 008700979.