The Thomas & Katherine Detre Library & Archives at the Senator John Heinz History Center is Western Pennsylvania’s preeminent source for researching the region’s rich history.
The Aaronel deRoy Gruber Papers and Photographs documents the professional career of Aaronel deRoy Gruber, as well as the respective and combined lives of the DeRoy and Gruber families.
The Detre Library & Archives is open by appointment only as of July 1, 2020. Please contact the Library at library@heinzhistorycenter.org, 412-454-6364, or complete this online form for more information about scheduling an appointment.
