Other
Museum of Western Colorado
This site contains information/links to artifacts, photographs, Native Americans, the Old West, facts about the 20th century, and dinosaur-rich geography.
PBS
Pbs: Antiques Roadshow: Tips of the Trade
Advise on finding valuable collectibles, and tools that would be useful in helping you reveal their worth.
wikiHow
Wiki How Category: Collecting
Wiki How is an online outline that is full of "how to" topics. This topic focuses on collecting. Read dozens of articles and tips about starting collections, maintaining them, and more!