A group of people at desks looking over materials in the Hart Research Library

Discover Colorado

Hart Research Library

History Colorado Center

The Hart Research Library is the primary access point to History Colorado’s vast collection of archives, artifacts, newspapers, and photography. Our library also also offers free access to Ancestry Library Edition and Newsbank’s historic Colorado newspapers database.

The library is open to the public and free of charge. For researchers who are unable to visit or wish to order images from the collection, we offer research services and photo reproduction services.


Wednesday, Thursday, Friday, Saturday: 10 am – 3 pm