Photo of the founders of the Taiwan Youth Association in Beijing, 1922.
Source | Lai Chichang ed., Photo Book of the Wufeng Lin Family in Taiwan, SMC Publishing Inc., 1989
Lâu Kím-tông (Liu Chin-tang)’s student registration page in volume 1 of Registration of Dropout Students from Meiji 44 to Taishō 7 (1911-1918), 1915. Collection of National Taipei University of Education Alumni Center