1. The gymnastic free exercises of P.H. Ling: a systemized course of gymnastics without apparatus, for the developing and strengthening of the body and improvement of the figure : adapted to the use of medical men, teachers, military men, and parents
- Rothstein, H. (Hugo), 1810-1865
Roth, Mathias, 1839-1891, translator
- Boston : Ticknor, Reed and Fields, 1853
- Exercise Therapy
Ling, Per Henrik, 1776-1839.