A collection of biographies of historically important persons with connections to Colorado

As the state’s only scholar-reviewed encyclopedia, Colorado Encyclopedia is a vetted, mobile-friendly resource that currently includes 680 articles and associated media, including photos, video, and timelines.

Colorado Historic Newspapers Collection (CHNC) currently includes 160+ newspapers published in Colorado from 1859 to 1923.

Your gateway to Colorado library resources and news.

The Pine River Library, the Pine River Valley Heritage Society, and other partners are working together to bring you yearbooks, oral histories, and other artifacts from historical Bayfield, Colorado and the surrounding Pine River Valley.

The Digital Public Library of America brings together the riches of America's libraries, archives, and museums, and makes them freely available to the public.

FamilySearch is a nonprofit family history organization dedicated to connecting families across generations.

Powered by Ancestry®, Heritage Quest includes census data, over 22,000 family and local histories, compiled genealogies, documentary collections, church records, military records, vital records, city and county histories, and more.

Khan Academy is a nonprofit with the mission to provide a free, world-class education for anyone, anywhere. With Khan, you can learn anything.

World History Encyclopedia is a non-profit organization publishing the world’s most-read history encyclopedia. All content on this encyclopedia is goes through strict editorial review prior to publication.