Caveman Bridge
- Elegant Arches, Soaring Spans. C.B. McCullough Oregon's Master Bridge Builder. Oregon State University Press, Corvallis (États-Unis), pp. 138. (2001):
- Great American Bridges and Dams. A National Trust Guide. John Wiley & Sons, New York (États-Unis), pp. 303. (1984):
- Historic Highway Bridges of Oregon. 2ème édition, Oregon Historical Society, Portland (États-Unis), pp. 105. (1989):