Legislative Records

About These Records

The Colorado State Archives holds a variety of resources, which document the legislative history of the state and can help explain the intent behind Colorado law.

Archival photo of a legislative session.

Primary, textual sources


  • 1876-present      Bill Backs (includes all versions of the bill as it passed through the General Assembly)
  • 1997-2018          House and Senate Bills available online

Committee Summaries

Reference sources

Colorado Revised Statutes

Session Laws of Colorado

  • 1877-2018          Bound versions available at State Archives
  • 1861-1997          Session Laws available online through the William A. Wise Law Library (CU-Boulder)
  • 1993-2018          Session Laws available online through the Office of Legislative Legal Services

House and Senate Journals

  • 1861-2018          Paper versions (some journals missing) 
  • 1998-2018          House and Senate Journals  through the General Assembly webpage


After passage of the Colorado Sunshine Law in 1973, Legislative Committee Hearings and Floor Sessions were to be recorded and made available to the public. These audio recordings are available for research purposes at the Colorado State Archives.