Jacobson, Edmund, 1888-1983. You must relax; a practical method of reducing the strains of modern living, by Edmund Jacobson, M.D. - Rev. ed. - Garden City, N.Y., Blue ribbon books [1946] - xix, 261 p. incl. xvi pl. on 8 l. 20 cm. "Blue ribbon books reprint edition 1946." LCCN: med46000123 Subjects--Topical Terms: Rest.Nervous system--Hygiene. LC Class. No.: RC351 / .J27 1946 Dewey Class. No.: 616.84