There is a wonderful boating/sailing website with books, video and audio tapes. http://www.seabooks.com/
I found Hal Roth books, you could email them about the videos.
Maria
Maria Koehmstedt
Reference and AV Librarian
Clatsop Community College Library
1680 Lexington
Astoria, OR 97103
503-338-2463
Maria_Koehmstedt@clatsop.cc.or.us