Ulrich's international periodicals directory / R. R. Bowker Company - 11th ed. - New York: R. R. Bowker Company, 1966 - lxii, 1755p. Vol.2 (Atrs, humanities, business & Social science) Subjects--Topical Terms: Science Subjects--Index Terms: Directory Universal Decimal Class. No.: R 05(058.7) / K5.2