Source:Gregg-gregg-eaton
From Pittsburgh Streets
O. Ormsby Gregg, Isaac Gregg, and Moses F. Eaton. Pittsburgh, Her Advantageous Position and Great Resources, as a Manufacturing and Commercial City, Embraced in a Notice of Sale of Real Estate. Johnson & Stockton, Pittsburgh, 1845. Google Books nrJs-DDEN1sC; Historic Pittsburgh 00afu7810m.
