Griffiths, Ruth. A study of imagination in early childhood and its function in mental development / by Ruth Griffiths. Preface by J.C. Flugel. - London : Routlesge & Kegan paul Ltd, 1949. - xiv, 367p. : illus. ; 23 cm. Include index Bibliography: p. 359-362. Subjects--Topical Terms: Imagination.Child psychology. Dewey Class. No.: 100 / GRS 1949