| TRACING | RESOURCE TITLE / CONTENT | CALL # |
| COLORADO - TOPICS |
| CENSUS | 1870 Census Index: (AIS) CA, CO, ID, MT, NM, NV, TX, WA | CD-096 |
| CENSUS | Census Index: 1880 Selected States AIS (Ancestry) | CD-056 |
| CENSUS | Map Guide to US Federal Census-CO | CO-04 |
| DESCRIPTION, TRAVEL | Ghost Towns of the Colorado Rockies | CO-03 |
| GENEALOGY | Ancestral Data-Aurora Gen Society | CO-06 |
| HISTORY | Bonanza West-Western Mining Rushes 1848-1900 | CA-03 |
| HISTORY | Centennial Colorado-Its Exciting History | CO-15 |
| HISTORY | Colorado Ghost Towns, Mining Camps | CO-11 |
| HISTORY | Ghost Towns of the Colorado Rockies | CO-03 |
| LIFE, CUSTOMS | Cripple Creek Days (Mabel Barbee Lee) | CO-12 |
| MINES, MINING | Money Mountain: Story of Cripple Creek Gold | CO-13 |
| RAILROADS, RAILROADING | Cinders and Smoke: Guide for Durango-Silverton Railroad | CO-08 |
| |
| COLORADO - COUNTIES |
| ARAPAHOE | Ancestral Data-Aurora Gen Society | CO-06 |
| DELTA | Sparks Fly Upward-Growing up in the Rockies (Glen Haley) | CO-07 |
| DOUGLAS | Bear Canyon Cemetery, Douglas County | CO-05 |
| EL PASO | Colorado Springs (Images of America series) | CO-10 |
| EL PASO | Manitou Springs (Images of America series) | CO-09 |
| LAKE | Leadville: A Miner's Epic | CO-14 |
| LARIMER | Larimer County Place Names (1984, Mary Hagen, Editor) | CO-16 |
| OURAY | Ouray | CO-01 |
| SAN MIGUEL | Telluride (Images of America series) | CO-02 |
| TELLER | Cripple Creek Days (Mabel Barbee Lee) | CO-12 |
| TELLER | Money Mountain: Story of Cripple Creek Gold | CO-13 |