Colorado History and Resources

Library Resources

Denver Public Library Digital Collections 
Need old photos of Denver or Colorado for your assignment? DPL's Special Collections and Archives Department has thousands!

Library Databases 
Online collections of information, organized for research. Databases contain articles, eBooks, images, maps, primary sources, and more. Start your research with these general databases, available from any Denver Public Library or from home with a Denver Public Library card. (Database search strategies.)

Denver Post Newspaper Collection:

Rocky Mountain News Newspaper Collection:


State History and Facts

Quick Guide to Colorado State Government Statistical Information 
Colorado state government agencies provide statistical data and related information on a large variety of topics, including crime, education, health, natural resources, traffic, and more.

Colorado State Archives: Symbols & Emblems 
The official list and meanings of Colorado symbols, animals, plants, songs, sports, flags, and other emblems.

Colorado Historic Newspapers Collection 
This collection includes digitized pages from 1000+ newspaper titles published in Colorado from 1859 to 2025.

History of the Colorado State Capitol

Colorado Encyclopedia
More than 1000 entries about Colorado's history, culture, and humans, from History Colorado.


Biographies of Notable Coloradans

Colorful Coloradans Biographies 
Biographies of important Coloradans, featuring digitized sources from the Special Collections and Archives collection. High-quality, primary source material for history projects.

History Colorado: Biographies

Colorado Women’s Hall of Fame: Biographies