Heidelberg, September 1983 The Editors Contents Introduction . 1 Concordance Relation: ICSU-AB-AAA 3 Abbreviations 10 Periodicals, Proceedings, Books, Activities 001 Periodicals . 15 002 Bibliographical Publications, Documentation, Catalogues, Atlases 47 003 Books ...... 51 004 History of Astronomy 58 005 Biography .