Founded and for many years edited by: R. Augstein.
Vol. numbering discontinued in 1995.
Has also a special unnumbered 50th anniversary issue, published in 1997, which contains a reprint insert of 1. Jahrg., Nr. 1 (4. Jan. 1947).
Has occasional special issues.
Also issued on microfilm by University Microfilms, Xerox University Microfilms, Research Publications, Princeton Microfilm Corp., and New York Public Library; on microfiche by Alpha COM Gesellschaft für Mikroverfilmung; on CD-ROM, and online.