Kommission für Zeitgeschichte publications appear with Ferdinand Schöning of Paderborn. Since the release of its first volume in 1965, the »Blue Series« has earned a reputation for high scholarly standards in
the field of history.
To date, 51 volumes have appeared as part of Series A: Sources. According to the Protestant Church historian Klaus Scholder the series is, »in terms of breadth, richness,
and editorial quality, almost without equal in contemporary history.«