Per Henrik Ling

Gymnastic Exercises, without Apparatus, According to Ling's System, for the Due Development and Strengthening of the Human Body

Épuisé

Mathias Roth Gymnastic Exercises, without Apparatus, According to Ling's System, for the Due Development and Strengthening of the Human Body

Swedish Gymnastics: a Manual of Free-standing Movements for the Use of Schools Without Apparatus

Per Henrik Ling

Épuisé

Per Henrik Ling Swedish Gymnastics: a Manual of Free-standing Movements for the Use of Schools Without Apparatus