If you go to the Historic Oittsburgh web site and insert "Directories" in the search section, you will find: Title: Pittsburgh street directory : as revised since the consolidation of the cities of Pittsburgh and Allegheny, 1916. Imprint: Pittsburgh : Pittsburgh Printing Co., 1916. Physical Extent: 196 p. ; 16 cm. The Table of Contents includes: Street Names that Have Changed Ward Boundaries (p. 173) Description of the Boundary Line of the City of Pittsburgh and the Different Boroughs and Townships Contiguous to Same (p. 193) List of Stations and Branches of the Pittsburgh, Pa., Postoffice (p. 196)