The Adventures of Prince Achmed (1926)
Anna Boleyn (1920)
Asphalt (1929)
Backstairs (1921)
Berlin: Symphony of a Great City (1927)
The Cabinet of Dr. Caligari (1920)
The Comeback [Liebe im Ring] (1930)
Crime and Punishment (1923)
Daughter of the Night (1920)
The Deerslayer and Chingachgook (1920)
Destiny (1921)
Diary of a Lost Girl (1929)
Different from the Others (1919)
Dr. Mabuse, the Gambler (1922)
The Doll (1919)
Die elf Teufel (1927)
Eyes of the Mummy (1918)
Faust (1926)
Das fidele Gefängnis (1917) with Trouble in Paradise (1932)
Friedrich Schiller (1923)
Genuine (1920)
The Golem (1920)
The Hands of Orlac (1924)
The Holy Mountain (1926)
I Don’t Want to Be a Man (1920)
The Indian Tomb (1921)
The Joyless Street (1925)
König der Mittelstürmer (1927)
The Last Laugh (1924)
The Love of Jeanne Ney (1927)
Madame Du Barry [Passion] (1919)
Metropolis (1927)
Michael (1924)
Nathan the Wise (1922)
Die Nibelungen (1924)
Nosferatu (1922)
Opus I (1921)
Othello (1922)
The Oyster Princess (1919)
Pandora’s Box (1929)
People on Sunday (1929)
Phantom (1922)
Sappho (1921)
Secrets of a Soul (1926)
Sex in Chains (1928)
The Spiders (1919-1920)
Spies (1928)
The Student of Prague (1913)
The Student of Prague (1926)
Sumurun [One Arabian Night] (1920)
Tartuffe (1926)
The Treasure (1923)
Vom Reiche der sechs Punkte (1927)
Warning Shadows (1923)
Waxworks (1924)
The White Hell of Pitz Palu (1929)
The Wildcat (1921)
The Woman in the Moon (1929)

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

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)
Fritz Lang Epic Collection (1924-1929)
The F.W. Murnau Collection (1922-1931)
German Expressionism Collection (1920-1926)
German Horror Classics (1920-1924)
Lubitsch in Berlin (1919-1921)
The Masterworks of the German Horror Cinema (1920-1922)