Geoffrey Donaldson Of Joy and Sorrow, A Filmography of Dutch Silent Fiction Amsterdam, 1997 |
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James Robert Parish and Michael R. Pitts The Great Detective Pictures Metuchen, N.J. & London, 1990 |
Ken Wlaschin Silent mystery and detective movies, A comprehensive filmography Jefferson, N.C., 2009 |
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Robert B. Connelly The Motion Picture Guide, Silent Film 1910-1936 Chicago, 1986 |