TY - GEN AU - Mason, John Brown, 1904- TI - Research resources; annotated guide to the social sciences. 2 v. 23 cm. CONTENTS AV - REF. Z 7161 .M36 KW - v. 1. International relations & recent history; indexes, abstracts & periodicals.--v. 2. Official publications: U.S. Government, United Nations, international organizations, and statistical sources ER -