To avoid being confused with SPAM, please include "HKSW" in the e-mail message header.
or by snail mail:
Contact Ken Chan by e-mail and he will provide you with a postal address
The HKSW is a non-profit making organization and this is not a commercial web site. Where known, sources have been dutifully acknowledged and every effort has been made to avoid infringing copyright. In the event, however, that the copyright of others has inadvertently been infringed, please contact us and the offending material will be removed immediately.