General Information - UNITED STATES JU-JITSU ® FEDERATION (USJJF)
Tom Dougherty and Larry Schweiger oral history transcript - Documents - USFWS National Digital Library
JJ Lin's Older Brother Holds Engagement Banquet At An Old-School Restaurant In Hong Lim Complex - 8days
JJ Lin APP by Shanghai Orota Tech Co., Ltd.
JJ Federation Overseas - JJFO - The Voice China JJ Lin Special Edition 林俊杰参加好声音内幕曝光http://v.qq.com/page/e/0/q/e0017jlomoq.html | Facebook
JJ Federation Overseas - JJFO
JJ T&I Honoured at Toro Awards - Asian Golf Industry Federation
JJ Lin gathers courage to approach unwitting fan in role reversal, says it's his 'first time' doing it - Mothership.SG - News from Singapore, Asia and around the world
MEMBERSHIP - UNITED STATES JU-JITSU ® FEDERATION (USJJF)