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.

Oakmont Historical Image Collection

A collection of photographs and images that depict Oakmont and its surrounding areas including local landmarks, buildings, businesses, and residents.

Contributor: Oakmont Carnegie Library

Ohio Company Papers

Contains manuscript copies of the Case of the Ohio Company, a collection of materials compiled by George Mercer to demonstrate the progress made by the Ohio Company, and a number of debt notes related to the company’s trade in dry goods

Contributor: University of Pittsburgh

Oliver M. Kaufmann Photograph Collection of the Irene Kaufmann Settlement

Programs and activities of the Irene Kaufmann Settlement in the Hill District and the Emma Farm Camp between 1918 and 1941.

Contributor: University of Pittsburgh

Otto's Suburban Dairy Photographs

Visual images of Otto's Dairy dating from 1928 until 1968, containing images of buildings, employees, machinery, products, and vehicles. Many of the photographs document machines and vehicles that the company was replacing with new models and technology.

Contributor: Detre Library & Archives, Heinz History Center