Source:Centennial-year
From Pittsburgh Streets
George H. Thurston. Pittsburgh and Allegheny in the Centennial Year. A. A. Anderson & Son, Pittsburgh, 1876. Google Books q1pAAAAAYAAJ, _zkVAAAAYAAJ; HathiTrust 008651603; Historic Pittsburgh 00aee6760m; Internet Archive cu31924028863863, pittsburghallegh00thur, pittsburghallegh01thur.
