German brief.
Frankfurter Allgemeine Zeitung GmbH.Informationsdienste.
Frankfurt am Main : Frankfurter Allgemeine Zeitung Gmbh. Informationsdienste,
1989-
Description based on: Vol. 2, no. 1 (Jan. 12, 1990).
From v. 3, no. 36 the main work and its update share the same numbering system.
Some no. are special issues with title: German brief. Update.