Cape Cod Shipbuilding Co. (2020). "Shields One-Design". capecodshipbuilding.com. Archived from the original on 22 May 2020. Retrieved 15 November 2020.
Cape Cod Shipbuilding Co. (2020). "Shields One-Design". capecodshipbuilding.com. Archived from the original on 22 May 2020. Retrieved 15 November 2020.