History Colorado holds the largest collection of Colorado newspapers available, ranging from 1859 through the present day. The collection contains more than 1700 microfilmed newspaper titles from towns across the state. Approximately 50 currently published newspapers are available in the Hart Research Library.

The majority of our newspaper collection is only available on microfilm. A limited number of digitized newspapers are available online at the Colorado Historic Newspapers Collection. Digitized copies of the Denver PostRocky Mountain News, and selected additional titles are available onsite at the Hart Research Library.

Records of all newspaper titles are included in our online catalog.  The Hart Research Library has guides to Colorado newspapers that list papers by name, by county and town, dates of publication, and dates available. Please contact a librarian for specific information on newspaper holdings.

Microfilm reader/printer/scanners are available in the library for public use. Duplicate positive microfilm reels may also be purchased.