Fri Apr 27, 2012 3:11 pm
You are right, Derek, M was for Morosco, Bosworth, Realart, and Select. PAV was for Pine-Thomas, A for Artcraft, Art for Artcraft films with Dorothy Gish, R was for Realart, A with a number was for Arbuckle shorts (also with still codes starting at 7000), MMM for Mary Miles Minter, WW for Walter Wanger, S for B. P. Schulberg, PL for Pommer Laughton, MP for Emanuel Cohen, F for for Talking pictures in New York,, HS for Harry Sherman.