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.

Aerial Photographs of Pittsburgh

Visual images from the 1923-1937 document aerial views of Downtown Pittsburgh, Mount Washington, the North Side, the Point, Oakland, and Homestead.

Contributor: University of Pittsburgh

Alexander Addison Papers

Contains correspondence to Alexander Addison, the president judge of the Fifth District Court of Pennsylvania (1791-1802), from Hugh Henry Brackenridge, William Findley and Charles Nisbet regarding political events in the U. S. and Europe, particularly the Constitutional Convention, Jay and Pinckney Treaties, Indian wars, and the Whiskey Rebellion.

Contributor: University of Pittsburgh

Allegheny Conference on Community Development Photographs

Visual images from the 1870s-1980s show the construction and destruction of many Pittsburgh structures and buildings during the post-World War II Renaissance period.

Contributor: Detre Library & Archives, Heinz History Center

Allegheny Observatory Records

Visual images from the 1890s-1930s depict the construction and equipment, experiments, inventors and directors of the Allegheny Observatory located in Pittsburgh’s Northside neighborhood.

Contributor: University of Pittsburgh

Aluminum Company of America Photographs

Images of Alcoa’s founders, employees, factories, and products dating from the 1870s through 1960s.

Contributor: Detre Library & Archives, Heinz History Center

Archives of Industrial Society Photograph Collection

Images visually document a wide range of topics relating to the history of Pittsburgh including neighborhoods, infrastructure, and landscape selected from the AIS vertical files.

Contributor: University of Pittsburgh