Bagley, Wm. A. Facts and how to find them : a guide to sources of information and to the method of systematic research / Wm. A. Bagley. - 5th ed. - London : Isaac Pitman & sons, 1958. - 136 p. ; 19 cm. Includes index. 328 328 Subjects--Topical Terms: Bibliography --Great Britain. Dewey Class. No.: 028.7 / B146f