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 Autograph Files

Consists of documents created or signed by various historical figures between 1610-1914 collected by the Darlington family. Many of the items are from such notable individuals as Benjamin Franklin, Napoleon Bonaparte, William Penn, Robert Fulton, Robert R. Livingston, King George III, and Patrick Henry as well as prominent citizens of the Pittsburgh area, such as Mary Croghan Schenley, James O'Hara, William Wilkins, and Richard Butler.

Contributor: University of Pittsburgh

Darlington Digital Library

The Darlington Digital Library was created from the first major collection of books, manuscripts, atlases, maps and artwork donated to the University of Pittsburgh. Most of the credit for assembling the Darlington Collection rightly goes to William M. Darlington, an attorney by profession who was born in Pittsburgh in 1815.

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

Daughters of Erin Court #9 Records

Contains the minutes of the monthly meetings of the Daughters of Erin, Court #9, Pittsburgh, Pa., 1956-1976.

Contributor: University of Pittsburgh

Department of Public Health Annual Reports, Pittsburgh, Pennsylvania

A Bureau/Department of Public Health existed for the City of Pittsburgh beginning in 1852 through sometime in the mid-twentieth century. The Bureau/Department was charged with maintaining hospital/vaccination records, vital statistics, sanitation inspection, regulation, and enforcement, as well as food inspection. Records included here consist of 28 volumes of Annual reports from the Bureau of Public Health for the years 1871-1907 (not inclusive), and the reports from the Department of Public Health for the years 1909-1916 (inclusive).

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

Dwight H. Roberts Collection

Visual images taken in different parts of Johnstown, PA from the late 19th through the early 20th centuries, depicting street scenes, significant buildings, personal gatherings, and more. Of note are several photographs taken in the aftermath of the 1889 Flood that highlight the destructive force of this event and its impact on the Johnstown community.

Contributor: Johnstown Area Heritage Association