100 (East) German titles, with 6–8 additional titles released every year. Its DVD line strives to complement films with high-quality bonus features and materials for educators. Highlight releases include: Stars Beethoven Duet The Lost Angel Arts in Exil The Flying Dutchman For Eyes Only Käthe Kollwitz the 2-DVD educators’ set of Verdict on Auschwitz: The Frankfurt Auschwitz Trial 1963–1965 (Dirs. Rolf Bickel, Dietrich Wagner, 1993 & 2005); the 2-DVD set of Silent Country, Andreas Dresen’s 1992 film debut that also includes an interview with the director and six of his student works; the digitally restored Weimar Republic classic, Kuhle Wampe, or Who Owns the World? (Dir. Slatan Dudow, 1932). Research at the DEFA Film Library The on-site research collection also includes over 1,000 DVDs and over 400 articles, books and periodicals (Filmspiegel, Kino DDR, Film und Fernsehen, epd Film, Deutsche Filmkunst). In addition, the Special Collections department at UMass Amherst's W.E.B. Du Bois Library owns the collection "Social Change and Movements for Social Change", which includes a Cold War Culture Collection with an emphasis on East Germany. Programming for scholars The DEFA Film Library supports an international network of scholars with a range of regular programming that has helped shape national and international research agendas on (East) German cinema. In 1997 and 1999, DFL organized two international conferences on East German cinema in the Five College area, in collaboration with PROGRESS Film-Verleih and the DEFA Foundation in Berlin. It collaborated on a third international conference with the Academy for Film and Television in Potsdam-Babelsberg in November 2011. Since 2001, the DEFA Film Library has hosted a week-long biennial Summer Film Institute for 25–30 researchers. Combining workshop discussions with screenings of a range of films—including little-known and rare titles—the Institutes are known for their stimulation of new research topics. (For a list of Summer Film Institute topics, please see below.) The DEFA Film Library organizes or participates in panels and panel series at national conferences. Visiting Artists and Scholars The DEFA Film Library Filmmaker's Tours bring German filmmakers to colleges, universities and cultural institutions throughout North America. Featured directors have included Frank Beyer, Jürgen Böttcher, Andreas Dresen, Jörg Foth, Iris Gusner, Helke Misselwitz, Siegfried Kühn, Herrmann Zschoche and Rainer Simon. Other visiting artists and scholars have included: Directors: Egon Günther, Thomas Heise, Dietmar Hochmuth, Günter Jordan, Peter Kahane, Bernd Sahling, Evelyn Schmidt, Andreas Voigt, Lothar Warneke, Lutz Stützner, Gerd Kroske, Vojtěch