While the Historic Pittsburgh site strives to provide access to research materials on a variety of subjects and material types, there are still many other online resources that compliment our site. These include:
- Andrew Carnegie Collection site by Carnegie Mellon University
- Bridging the Urban Landscape site by the Pennsylvania Department of the Carnegie Library of Pittsburgh
- Chronicling of America: Historic American Newspapers site by the Library of Congress
- A Directory of Allegheny County Orphanages site by the Carnegie Library of Pittsburgh
- Documenting Pitt site by the University of Pittsburgh
- The Duquesne Duke site a student newspaper published since 1925, by Duquesne University.
- Duquesne Photograph Collection site by Duquesne University.
- Free at Last? Slavery in Pittsburgh in the 18th and 19th Centuries Exhibit site by the University of Pittsburgh in cooperation with the Senator John Heinz History Center and the Allegheny County Recorder of Deed’s Office.
- Historic Pittsburgh Maps Viewer
- Homecoming: Hill District, USA is a digital compilation of oral history excerpts, photos, and archival materials organized to tell a resident-centered history of one of Pittsburgh's most storied neighborhoods.
- Homestead Hebrews site dedicated to the history of the Jewish community in Homestead.
- Life in Western Pennsylvania site by the Detre Library & Archives at the Heinz History Center
- Pennsylvania Death Certificates, 1906-1944, available for free on Ancestry.com
- Pennsylvania History: A Journal of Mid-Atlantic Studies, journal published by the Pennsylvania Historical Association since 1934 and available electronically by Penn State University
- Pennsylvania Magazine of History and Biography, a scholarly journal published by the Historical Society of Pennsylvania since 1877 and available electronically by Penn State University.
- Pittsburgh and Beyond: The Experience of the Jewish Community, an oral history project of the National Council of Jewish Women, Pittsburgh Section, site by the University of Pittsburgh.
- Pittsburgh Catholic, newspaper published by the Diocese of Pittsburgh (Roman Catholic) since 1844, site by Duquesne University
- Pittsburgh City Death Records, 1870-1905, on the Familysearch.org site
- The Pittsburgh Jewish Newspapers Project site by Carnegie Mellon University.
- Pittsburgh Municipal Records hosted by the Internet Archive
- Pittsburgh Speech and Society Project site by University of Pittsburgh.
- A Tradition of Giving: The History of Jewish Philanthropy in Pittsburgh site by the Rauh Jewish Archives at the Heinz History Center.
- University of Pittsburgh Press Digital Editions site by the University of Pittsburgh
- Western Pennsylvania History, journal and magazine published by the Heinz History Center since 1918 and available electronically by Penn State University.
The following institutions or organizations are also helpful to be aware of when researching topics on the Pittsburgh region: