Three articles from Coronado Comments (April 1977 issue)
- On Dynamic Balance of the C15 – Dick Ohst, former commodore
- Heavy air sailing – North report by Bruce Golison
- Pointing – Tom Linskey
This article precedes the NAC in Long Beach in 1977
Donation of the C15 plug to the National Association
Copies of letters from Frank Butler the designer of the Coronado 15 who donated the plug to the association in the hope of building a strong one design class. 1967 and 1968