© Courtesy of the Institute of Chinese Studies, Library, Heidelberg University.
忙中抽空的體操簡法: 矯正坐的姿勢，正立的姿勢，立定體操, Easy gymnastics while snatching a little leisure from a busy life: to correct the sitting posture, the posture of standing upright, gymnastics while standing still
志勤 Zhiqin (Author),
立定體操 [畫圖二幅] Gymnastic Standing Stretches
棄舊換新:[畫圖二幅] To abandon the old for the new (two drawings)