www.hawaiiswim.org

Wikipedia: Yoshi Oyakawa

Anchor text: Robin Backhaus

Wikipedia: Robin Backhaus

Anchor text: Results from 2000 Oceania Swimming Championships

Wikipedia: 2000 Oceania Swimming Championships

Anchor text: Hawaii Swimming Legacy, Bill Woolsey

Wikipedia: Bill Woolsey

Wikipedia: Puunene School

Wikipedia: Sonny Tanabe

Wikipedia: List of Hawaiian records in swimming

Anchor text: Readable article

Wikipedia: Soichi Sakamoto

Anchor text: Interview of Hirose by Hiroshi Yamauchi

Wikipedia: Takashi Hirose (swimmer)