International Optimist Dinghy Association
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Race Management
http://www.sailing.org/documents/racingrules/index.php
Racing Rules of Sailing (RRS)
http://www.sailing.org/documents/racingrules/index.php
Race Management
http://www.sailing.org/documents/case-book.php
Case Book (interpretations of the RRS)
http://www.sailing.org/documents/case-book.php
Race Management Technical
http://www.sailing.org/documents/equipmentrules/index.php
Equipment Rules of Sailing (ERS)
http://www.sailing.org/documents/equipmentrules/index.php
