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 Author(s): Rothstein, H. (Hugo), 1810-1865 Publication: Boston : Ticknor, Reed and Fields, 1853 Subject(s): Exercise TherapyGymnasticsPhysical FitnessLing, Per Henrik, 1776-1839.
