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History Colorado

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Researchers

  • Stephen H. Hart Library and Research Center
  • Library Catalog
  • Collections
  • Collection Stories
  • Online Research
    • City Directories
    • Colorado's Historic Newspapers
    • Compass
    • Historic Marker Database
    • Library Catalog
    • Phone Books
    • Preserving Your Collections
    • Useful Links
  • Photographs
  • Research Aids
  • NAGPRA Program
  • Services
  • Policies
  • Classes and Programs

Guides to Colorado's past

Online Research

Search databases and browse websites

Directory listing
City Directories

Search for city directories by city or year.

Historic Newspaper, 30000717
Colorado's Historic Newspapers

The Colorado Historic Newspapers Collection (CHNC) currently includes more than 500,000 digitized pages, representing 163 individual newspaper titles published in Colorado from 1859 to 1923.

Compass_logo
Compass

OAHP online architectural resources database for researchers and cultural resource professionals.

Silas Soule historic marker, Soule_005lowrez
Historic Marker Database

Ever wonder how long it would take to see every historical marker in Colorado? There are more than 220 Colorado Historical Society markers across the state. What once took days, even weeks, can now be done in seconds—at the click of a button!

Map of Colorado, 30000786
Library Catalog

Search the library catalog for records of books, manuscript collections, maps, and serial titles.

Phone book
Phone Books

Search for phone books by city or year.