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Ancestry.com - Search Schools, Directories & Church Histories

Searchable indexes; database results and some digitized images available with fee-based subscription.

Fold3 - City Directories $

Fold3 is an online repository for original historical documents, combined with the ability for users to make comments, annotations, and upload their own documents. The focus of Fold3 is to be a comprehensive collection of U.S. Military records. Some areas of Fold3 are free to use, while others can be freely searched and then viewed with a paid subscription.

Historic Pittsburgh - City Directories

The city directories that are online were published by J.F. Diffenbacher or R.L. Polk & Company between 1815 and 1945. While most of the directories cover Pittsburgh and Allegheny City, a portion includes Homestead and nearby boroughs. This collection also contains several general business directories.