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.
Admission
Access to the Detre Library & Archives at the Senator John Heinz History Center is free for all visitors. Visitors coming to the History Center solely to use the Library & Archives will not be charged admission; they will be given a special Library & Archives sticker at the Admissions Desk and directed to the 6th floor, where they will sign in. Paid admission to the museum is required to see the exhibits.
Hours
Wednesday – Saturday, 10am-5pm
Appointments are recommended for researcher visits to ensure the availability of materials. Please contact us to schedule your appointment.
The Library & Archives will be closing at 2pm on November 5th and December 9th, 2021.
Holiday Hours:
The Detre Library & Archives will be open by appointment only until 12pm on December 24th and December 31st. If you would like to schedule an appointment on this day, please contact library@heinzhistorycenter.org by December 17.