Microfilm. 1912-1913,1915. 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 55, no. 1]. Filmed as bound with some text lost in gutter. Filmed with : Jahrbuch ... (1907-1910) / Zentralverband der Maurer Deutschlands (1908-1911) -- Protokoll über die Verhandlungen des ... ordentlichen Verbandstages (v.20-22 ; 1924-1928) / Zentralverband der Schuhmacher.