Olkon, David Mortimer, 1877- Essentials of neuro-psychiatry, a textbook of nervous and mental disorders, by David M. Olkon ... Illustrated with 138 engravings. - Philadelphia, Lea & Febiger, 1945. - 310 p. illus., diagrs. 24 cm. "References" at end of most of the chapters. LCCN: sg 45000282 Subjects--Topical Terms: Psychology, Pathological.Neuroses. LC Class. No.: RC341 / .O4 Dewey Class. No.: 616.8