I found a list.
http://netflixusacompletelist.blogspot.com/2015/03/release-date-list-sun-mar-22-2015.html#moreSome that I recommend, divided by time period:
Intolerance, Broken Blossoms, Cabinet of Dr. Caligari, Our Hospitality, Sherlock Jr., Die Nibelungen: Kriemhild's Revenge and Siegfried, Faust, The General, Battleship Potemkin, Wings, Man with a Movie Camera, Nosferatu
His Girl Friday, Fantasia, Grapes of Wrath, Scarlet Street, The Bicycle Thief, Raw Deal, All About Eve, High Noon, The Quiet Man, Shane, Gentlemen Prefer Blondes, Black Sunday, The Trial, Man Who Shot Liberty Valance, Charade, Casanova '70, Rosemary's Baby, Once Upon a Time in the West
Bay of Blood, The French Connection, The Canterbury Tales, Serpico, The Conversation, Chinatown, Three Days of the Condor, Bad News Bears, Annie Hall, Days of Heaven, Escape from Alcatraz, Kagemusha, The Verdict, Gandhi, Nostalghia, Amadeus, Sherman's March, The Sacrifice, Stand By Me, Manhunter, Henry: Portrait of a Serial Killer, Planes Trains and Automobiles, Thin Blue Line, Cinema Paradiso, Cook Thief His Wife and Her Lover, Twin Peaks
Too many? That's up to 1990, maybe I'll resume later.