De Wolf, Daniel Fowler. The instructive speller, containing dictation exercises and a study of derivative words. By D. F. De Wolf. - New York, Cincinnati [etc.] American book company [c1890] - iv, 5-168 p. 17 cm. First edition 1862. LCCN: ca 17003466 Subjects--Topical Terms: Spellers. LC Class. No.: PE1145 / .D5 1890