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.
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.
10 a.m. to 5 p.m. Wednesday – Saturday. Other times by appointment.
Appointments are recommended for researcher visits to ensure the availability of materials. Please contact us to schedule your appointment.
2022 Library & Archives Special Hours
Thursday, October 13; and Thursday, December 8: Closing at 2pm