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The Historical Society of Pennsylvania library is open to the public Tuesday–Friday during the hours listed below.

Hours and Admission

HSP is scheduling limited research appointments. Click here for more information.

HSP's library is open Tuesdays through Fridays with advance registration!

HSP is open to researchers by appointment Tuesdays through Fridays. Appointments are considered "all-day," but you may arrive at your convenience during open hours. We do restrict entry 1 hr. prior to closing.

Admission is free for HSP Members, students, or members of the military with ID. The fee is $10 per day for visitors. To learn about membership visit: hsp.org/become-a-friend.

 

 

Library Hours:

Tuesdays and Thursdays: 10 a.m. - 4 p.m.

Wednesdays: 1 p.m. – 7 p.m.

Fridays: 10:00 – 2:00 p.m.

 

Having trouble finding available appointments? Planning a multi-day visit? Contact library staff at readingroom@hsp.org to discuss what options may be available for you. We do hold additional appointments aside for flexibility.

Booking and cancellation policies: When making reservations, keep in mind that research space is limited. Please only schedule appointments you intend to keep. If you no longer need or cannot make your appointment, please cancel each slot as soon as possible to leave room for other researchers.

Please note that appointments are for one person. If you're planning to bring another researcher, please schedule an additional appointment for each time slot under that person's name.

Mask Policy: Masks are optional in all spaces at HSP, effective April 4, 2023. If you're sick or feeling unwell, please cancel or reschedule your appointment for a later date.

Administrative Hours: Our administrative offices hold regular business hours 9 a.m.–5:00 p.m. from Monday to Friday.  Although the library is not open for public use outside of the days and hours listed above, staff do schedule business appointments and meetings during morning hours and Mondays. It is always best to pre-arrange to meet with staff, rather than stop-in and ask for them during non-public hours. HSP's main entrance on Locust street opens daily at 9:15 a.m.

Policies on Children:

  • Children are assumed to be students and have free admission to the library.

  • Children under kindergarten age are not permitted in the library (except to accompany their parents/guardians when viewing exhibits).

  • Children under 6th grade must be with a supervising adult in the library and in the front lobby. An adult accompanying a child researcher will be charged admission.  

Holidays and Closings: HSP is regularly closed Monday, Saturday, and Sunday as well as on the following holidays:

  • New Year's Day (Observed) - Mon., Jan. 1

  • Martin Luther King Jr. Day - Mon., Jan. 15

  • Presidents’ Day - Mon., Feb. 19

  • HSP Building Dedication Day - Mon., April 1

  • Memorial Day - Mon., May 27

  • Juneteenth - Wed.,  Jun. 19

  • Independence Day - Thurs., July 4

  • Labor Day - Mon., Sept. 2

  • Thanksgiving Day - Thurs., Nov. 28

  • Thanksgiving Friday - Fri., Nov. 29

  • Christmas Day - Wed., Dec 25

HSP will be closed from 12/24/2024 through 1/1/2025, returning on 1/2/2025.

In the case of inclement weather, HSP follows the schedule of the School District of Philadelphia. Notice of all weather and emergency closings will be posted on our website and on our weather phone line at 215-732-6200 ext. 505.

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