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
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