The Cowboy Recreation and Nature Trail - State site about the trail, including a map showing completed sections. - http://www.ngpc.state.ne.us/parks/guides/trails/cowboy/cowboy.asp
An Overview of Nebraska's Cowboy Trail - Article by Pat Foote of Nebraska Game and Parks Commission about the process of converting the railroad right-of-way to a trail. - http://www.americantrails.org/resources/railtrails/RailCowboy.html
Great Bicycle Trails: Nebraska - Description of the Cowboy Trail with photographs. - http://www.great-trails.com/cbtrail.shtml