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.

D. L. Clark Company Papers and Photographs

Includes depictions of D. L. Clark product displays, individual products and company branding, product shipment, Clark building exteriors and aerial views, as well as documentation of advertising campaigns and promotional events.

Contributor: Detre Library & Archives, Heinz History Center

Daniel Brodhead Papers

Contains copies of orders sent by Colonel Daniel Brodhead, who commanded the Western Department from his headquarters at Fort Pitt from 1779-1781, to various military officers, including those stationed at Forts Armstrong, Wheeling, Tuscarora, and Laurens; they reveal the recurring difficulties posed by food shortages, lack of money, uncooperative officers, and raids conducted by hostile Indian tribes, which contributed to settlers abandoning their property.

Contributor: University of Pittsburgh

Darlington Family Papers

Comprises financial, personal and legal papers, and documentation of collecting activities and ephemera related to William M. Darlington and his family, including ledger books, research notes, manuscripts, personal diaries, photographic prints and negatives, letters, and artwork.

Contributor: University of Pittsburgh

Donohoe Family Papers

Comprises correspondence to Thomas Donohoe, Blairsville, Indiana County (Pa.), from his family in Ballyellin, County Carlow, Ireland. Subjects include family events, economic conditions, social conditions, state of harvests, prices of crops and produce, rates for labor, and the Civil War in the United States.

Contributor: University of Pittsburgh

Dorsey-Turfley Family Photographs

Visual images document several generations of the Dorsey and Turfley families as well as African-American sports teams (1890-1987).

Contributor: Detre Library & Archives, Heinz History Center

Dunning McNair and Dunning Robert McNair Papers

The papers of Dunning McNair (1786-1824) and his son Dunning Robert McNair (1805-1860) relate to their involvement in land development and trade in western Pennsylvania and include correspondence, ledgers, and land sales agreements, some of which pertain to the Pennsylvania Population Company.

Contributor: University of Pittsburgh