Cohen, Morris L., 1927- How to find the law / by Morris L. Cohen, Robert C. Berring, Kent C. Olson. - 9th ed. - St. Paul, Minn. : West Publishing, 1989. - xxxiv, 716 p. : ill. ; 26 cm. - Hornbook series . - 340 . ISBN: 0314533184 Subjects--Topical Terms: Legal research--United States. Dewey Class. No.: 340