My attempt at a comprehensive list of feature-length and short sound films produced in America between 1930 and July 1934 (plus others included on pre-code.com, and Wikipedia's and Letterboxd's Pre-Code film lists).

If you can provide data or to know anything about lost films , could access this site:   http://www.lost-films.eu/

Other sources: https://en.wikipedia.org/wiki/Category:Lost_films_by_country https://en.wikipedia.org/wiki/Category:Lost_American_films

https://it.wikipedia.org/wiki/Categoria:Film_perduti

http://en.wikipedia.org/wiki/List_of_lost_films

http://en.wikipedia.org/wiki/List_of_incomplete_or_partially_lost_films

http://www.silentera.com/lost/index.html  from A -Z

http://www.silentera.com/PSFL/indexes/index.html

http://filmthreat.com/?s=lost+films

There, a documentary about this theme: Fragments: Surviving Pieces of Lost Films http://www.imdb.com/title/tt1885256/ 

Please, look also this Brittish list: http://en.wikipedia.org/wiki/BFI_75_Most_Wanted

 REDISCOVERED P.S.Any movies were found after this list starting__ Too Much Johnson (Orson Welles,1938) Hello Pop (Jack Cummings,1933) One Hour with You (Lubitsch,1932) Paris Bound (Edmund H.Griffith,1929) The Constant Nymph (Brunel,1928) Le Tournoi (Renoir, 1928) The Crimson City (Archie Mayo,1928) Purity (Rae Berger, 1916) Salaviinanpolttajat (Puro,1907) Arrivée d'un train gare de Vincennes (George Melies, 1896)  Miguel Strogoff (Tourjansky, 1926) can be seen on YouTube Padlocked (Dwan, 1926) was restored to exhibition in San Francisco Silent Film Festival 2023  https://silentfilm.org/event/padlocked/

And now we brings you with other Good News: http://www.silentsaregolden.com/silentvideolist.html https://en.wikipedia.org/wiki/List_of_rediscovered_films And more of them following the list: https://www.imdb.com/search/keyword/?keywords=formerly-lost-film&ref_=tt_stry_kw Don't forget to visit this, please: https://www.fpa-blackhawk.com/

Note: Please, sign the petition to the George Eastman House at http://silent-hall-of-fame.org/ Did you know? The Valley of the Giants (Cruze,1919) was considered to be lost until 2010

Ryan Gosling and Emma Stone in La La Land (2016)

Includes Music films, but not singing Westerns. Starting with 1998, added requirement for 500+ votes and 4+ rating. Expanded to include TV movies and specials.

The search (excludes what's already on my lists):  [https://www.imdb.com/search/title?release_date=1927,&genres=musical&title_type=feature&runtime=45,&countries=us&sort=release_date,asc&count=100&view=simple&user_rating=4.0,&num_votes=500,&lists=!ls021062047,!ls021564702] and again for genre Music, and for title_types Video, tv_movie, tv_special (8 searches total).

Companion list: American omitted Musical Feature Films (http://www.imdb.com/list/ls021564702/) 

https://www.imdb.com/list/ls021062047/?release_date=1974&mode=simple&sort=release_date,asc

Gene Kelly, Debbie Reynolds, and Donald O'Connor in Singin' in the Rain (1952)

All Movie Musical From The 1920's Except 1 ( Song Of Love )

Films not on IMDb: Daniel (1921) Walking Down Broadway (1932) Berdjoang (1942)

Source: [link]http://en.wikipedia.org/wiki/List_of_incomplete_or_partially_lost_films[/link]

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