You must relax :

Jacobson, Edmund, 1888-1983.

You must relax : a practical method of reducing the strains of modern living / by Edmund Jacobson. - Rev. ed. - New York ; London : Whittlesey House, McGraw-Hill, [c1942] - xix, 261 p. illus. 20 cm.

42024169


Rest.
Nervous system--Hygiene.

RC351 / .J27 1942

616.84