PENNSYLVANIA: Pennsylvania Railway Gazetteer, Commercial Advertiser, Business and Post Office Directory, For 1866-67This is a business commercial directory and business advertiser for the entire state of Pennsylvania in 1866 67. The business directory information is arranged by town, and lists businesses business people alphabetically providing the name, trade and address of each. Each town is given a brief descriptive sketch, with larger towns including much more detail. There are also business ads throughout. Originally published by A. O. Loomis in 1866. 542