Collections and boxsets that include German silent era films:
Crazy Cinématographe:
Europäisches Jahrmarktkino 1896-1916 (1896-1916)
Discovering Cinema: Learning to Talk &
Movies Dream in Color (2003-2004)
Early Murnau: Five Films, 1921-1925 (1921-1926)
Four Films with Asta Nielsen (1913-1916)
Fritz Lang Epic Collection (1924-1929)
Fritz Lang: The Early Works (1919-1921)
Fritz Lang: The Silent Films (1919-1929)
The F.W. Murnau Collection (1922-1931)
German Expressionism Collection (1920-1926)
German Horror Classics (1920-1924)
The History of Cinema (1915-1927)
The History of Cinema (1915-1927)
Kafka Goes to the Movies (1907-1921)
Lotte Reiniger: Shadow Puppets Fairytales, Volume 1 (1922-1957)
Lubitsch in Berlin (1919-1921)
The Masterworks of the German Horror Cinema (1920-1922)
Screening the Poor (1888-1914)
Silent Classics (1920-1927)

About German filmmakers:
Ernst Lubitsch in Berlin (2006)
Fritz Lang: Circle of Destiny (1998)
The Way to Murnau (2003)