Microfilm. (1903-1908). Madison, Wis. : Collection Preservation Dept., Memorial Library, University of Wisconsin-Madison, 1981-. 1 microfilm reel : negative ; 35 mm. Serial publications of German trade unions in the Memorial Library, University of Wisconsin-Madison. [German Trade Unions ; Reel 42, no. 2]. Filmed with : Gewerkschaftspropaganda und Kulturarbeit : Bulletin der Agitpropabteilung der RGI (v.3, no.4(19) -12(27) ; 1930:April-Dez.) / Red International of Labor Unions.