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