Natural Vision
The American (J. Stuart Blackton, 1927, Natural Vision Pictures) NEVER COMPLETED OR RELEASED
Danger Lights (George B. Seitz, 1930, RKO) Only 35mm version survies
Niagra Falls This survives in wide screen. i don't know who has it, but I've seen it
Campus Sweethearts (James Leo Meehan, 1930, RKO) short Don't know
Fox Grandeur
Fox Movietone Follies of 1929 (David Butler, 1929, Fox Film Corporation) Lost Film in either version
Fox Grandeur News (1929) Some of these survive. againb I don't know who has them, but I've seen some footage
Happy Days (Benjamin Stoloff, 1929, Fox Film Corporation) I believe this is lost
The Big Trail (Raoul Walsh, 2 October 1930, Fox Film Corporation) MoMA did the wide screen restoration on this.
Song O' My Heart (Frank Borzage, 1930, Fox Film Corporation) Only the 35mm domestic and international versions survive as far as I know.
Vitascope
A Soldier's Plaything (Micheal Curtiz, 1930, Warner Bros. Pictures) 35mm version only survives
The Lash (1930, First National Pictures) Don't know is this survives in any form
Kismet (John Francis Dillon, 1930, First National Pictures) Lost Film in any format
Larry Ceballos Review (short) don't know
You're in the Army Now (short) don't know
Realife
Billy the Kid (King Vidor, 1930, MGM) only 35mm version survives
The Great Meadow (Charles Brabin, 1931, MGM) Don't know
Magnifilm
The Bat Whispers (Roland West, 1930, Joseph M. Schenck Productions/United Artists) The wide screen version has been restored.