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.
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 July 22nd and December 9th, 2021.