1. Kratzer's encyclopedic guide and directory, 1898. Title: Kratzer's encyclopedic guide and directory, 1898. Date: 1898. Collecting Area: Rare Books Call number: F 106 K73X LOCAL
2. Harris's general business directory, of the cities of Pittsburgh and Allegheny, and also of the most flourishing and important towns and cities of Pennsylvania, Ohio, western New York, Virgina, & c. Title: Harris's general business directory, of the cities of Pittsburgh and Allegheny, and also of the most flourishing and important towns and cities of Pennsylvania, Ohio, western New York, Virgina, & c. Collecting Area: Rare Books