Microfilm. 1921. [Madison, Wis. : Collection Preservation Dept., Memorial Library, University of Wisconsin-Madison, 1983.]. 1 microfilm reel : negative ; 35 mm. (Serial publications of German trade unions in the Memorial Library, University of Wisconsin-Madison). [German Trade Unions ; Reel 57, no. 7]. Filmed with : Der freie Angestellte : Zeitschrift des Zentralverbandes der Angestellten, Sitz Berlin / Zentralverband der Angestellten