Seward, Ingrid Diana : an intimate portrait / by I. Seward. - Chicago : Contemporary Books, 1988. - IX, 240 p. : [32] p. ill. ; 24 cm. Bibl. pp. 231-232 Index pp. 233-240 ISBN: 0-8092-4535-3 Subjects--Personal Names: Diana Subjects--Topical Terms: Princes and princesses--Great Britain