Pittsburgh, 1969. Allegheny Conference on Community Development Photographs, 1892-1981, Detre Library & Archives.

Search Collection

The Library & Archives Catalog

The Thomas & Katherine Detre Library & Archives at the Senator John Heinz History Center offers a non-circulating collection of materials documenting life in Western Pennsylvania. Search our online catalog for books, archival collections, periodicals, and more.

Search the Catalog

Library & Archives Finding Aids

Finding aids provide descriptions of the contents and creators of archival collections. Search over 900 from the Detre Library & Archives at Historic Pittsburgh.

Search Finding Aids


Browse more than 4,500 images documenting Pittsburgh’s past. Researchers may access many additional images by visiting the Library & Archives.

Search Photographs