ULRICH'S International Periodicals Directory 1971 - 1972 : a classified guide to a selected list of current periodicals, foreign and domestic. Vol 1 / - 14th ed. - New York: R.R.Bowker Company, 1971 - xxvi, 1006 p. ; 29cm. Acc. No. 03638 ISBN: 0835204804 Subjects--Topical Terms: Periodicals - Directories