Historic Pittsburgh comprises a variety of primary and secondary sources from multiple partners about the greater Pittsburgh region, including a wide range of publications, maps, manuscripts, visual images, and audio-video materials, that support personal and scholarly research.

Louis Semple Clarke Collection

Contains images from 1879-1889 photographed by Louis Semple Clarke of the South Fork Hunting and Fishing Club, whose dam broke just a few years later resulting in the Johnstown Flood on May 31, 1889.

Contributor: Johnstown Area Heritage Association

Lyon, Shorb & Company Photographs

Cartes de viste, mass-produced portraits on cardboard backings‚ from 1860-1867 show company iron workers photographed at a portrait studio.

Contributor: Detre Library & Archives, Heinz History Center