Baseball Reference
- Comprehensive historical statistics for each player. Also offers career registers and leader boards.
- http://www.baseball-reference.com/teams/COL/

Baseball Almanac
- Historical research concerning the organization that includes a record book, rosters, uniform numbers and award winners.
- http://baseball-almanac.com/teams/rock.shtml

Wikipedia
- On-line, hyperlinked encyclopedia that offers season records, facts, historical information and photographs.
- http://en.wikipedia.org/wiki/Colorado_Rockies

Denver Baseball Observer
- Comprehensive game coverage as well as archival material and commentary.
- http://www.freshbaked.com/Rockies.html

Rox Head
- Showcases roster, news, statistics, history and related links.
- http://www.roxhead.com/