genealog.lc-co: Books in the on-line Library of Congress catalog with the subject "Colorado--genealogy."
genealog.vital-co: Where to write for Colorado vital records, Colorado genealogical and historical societies, and the state archives. Or check
Colorado Vital Records Information for more current info on where to write for vital records.
Other Colorado Genealogical and Historical Resources on the Net
Obituaries and funeral notices for Denver: a compressed file named den-1990.arj of size 170K (decompressed, it's just over 700K), this file contains obituaries and funeral notices from Denver for all of 1990.
Colorado Marriages: a compressed file named colmar-a.zip of size 310K, this file expands to nearly 900K of data. Grooms whose surnames begin with A and who married between 1859 and 1939 are listed. A series was intended, but I don't know if any other letters have been completed. Listed are groom, bride, date, and location.