Collins, Ralph T. A manual of neurology and psychiatry in occupational medicine / By Ralph T Collins, . - New York : Grune & Stratton, 1961. - 244 p. : ill. ; 23 cm. - Modern monographs in industrial medicine ; 6 . Includes bibliography and Index. Subjects--Topical Terms: Neurology.Psychiatry.Medicine, Industrial. Dewey Class. No.: 616.8 / COM 1961