Gw mau tau Rujukan dari Colorado. Jelasin dalam bahasa jawa

Explore Colorado, A Naturalist's Handbook, The Denver Museum of Natural History and Westcliff Publishers, 1995, ISBN 1-56579-124-X for an excellent guide to the ecological regions of Colorado.

The Archeology of Colorado, Revised Edition, E. Steve Cassells, Johnson Books, Boulder, Colorado, 1997, trade paperback, ISBN 1-55566-193-9.

Chokecherry Places, Essays from the High Plains, Merrill Gilfillan, Johnson Press, Boulder, Colorado, trade paperback, ISBN 1-55566-227-7.

The Tie That Binds, Kent Haruf, 1984, hardcover, ISBN 0-03-071979-8, a fictional account of farming in Colorado.

Railroads of Colorado: Your Guide to Colorado's Historic Trains and Railway Sites, Claude Wiatrowski, Voyageur Press, 2002, hardcover, 160 pages, ISBN 0-89658-591-3