Attention: Researchers who wish to perform research on-site may make an appointment by calling (302) 744-5000 or e-mailing More Info logo

Delaware Public Archives (DPA) logo

To keep both the public and our staff safe, please be aware of these researching regulations we have in place in light of the COVID-19 pandemic. For future updates please follow us on social media or visit our website at⁠.

  • The Mabel Lloyd Ridgely Research Room is currently open by appointment only. Appointment times are 9:00 a.m. and 1:00 p.m. Monday through Friday. Appointments are limited.
  • Each appointment will last 2.5 hours and the individual must leave the facility once their time is complete.
  • To request an appointment please call (302) 744-5000 or email
  • Social distancing will be in effect and a mask must be worn at all times in the Delaware Public Archives building.
  • The Delaware Public Archives currently is closed on Saturdays, Sundays, and State Holidays.


Finding Aids

You can now search 400,000+ records, across 19 popular collections using the Collection Gateway. Once you find a record you can request a price quote for an original or print a detail sheet for quick retrieval for your next visit to the Research Room.
Continue to the Collection Gateway

Delaware Library Catalog (Books and Publications)

Books, published volumes, and periodicals in the holdings of the Delaware Public Archives are now indexed in the Delaware Library Catalog. This online resource allows users to search through the collections of many different Delaware libraries and research facilities at once.
Continue to the Delaware Library Catalog

Heritage Commission Book List 

This is a list of the Heritage Commission Books that are also available for sale at the Delaware Public Archives Research Room. The Commission publishes books under the Delaware Heritage Press. To place a book order online please go to Shop Delaware’s Online Store. Our books are on display in the lobby of the Delaware Public Archives building and are available for purchase with cash, check, or credit card in the Research Room.
View the Heritage Commission Books List

Rules and Regulations

The Delaware Public Archives (DPA) prohibits researchers from carrying boxes, briefcases, satchels, valises, purses or other containers into the Research Room. Researchers who have these items will use the storage lockers located in the entrance hall of the Research Room.
More Rules and Regulations

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