Bird, Lonnie (2001). The complete illustrated guide to shaping wood. Newtown, CT: Taunton Press. pp. 83–84. ISBN 1-56158-400-2. OCLC 46419765. 1-56158-400-2 ↩
"Cope and Stick". WOOD Magazine. 2016-05-16. Retrieved 2022-05-20. https://www.woodmagazine.com/woodworking-tips/techniques/joinery/cope-stick ↩