Willard Helen S., Spackman Clare S. Principles of occupational therapy - 2nd ed. - Philadephia J. B. Lippincott 1954 - 376 p. 21 cm. - . Occupational Therapy, Rehabilitation, Occupational Subjects--Topical Terms: Rehabilitation, OccupationalOccupational Therapy Dewey Class. No.: WB555 / WIL