1
Published: Berlin : Contrapress-Media-GmbH, 1994-2001.
CD-ROM
2
Published: Berlin : Central-Verein, 1922-1938.
Newspaper
3
Published: Leipzig : Verl. d. Börsenvereins d. Dt. Buchh, 1926-1947.
Journal
4
Published: Dortmund : Mikrofilmarchiv, 1999-2016.
Journal