Filem ilang
Film ilang yaiku kondisi ing endi filem sing dingerteni sajarahne manung ora isa digolek ing dokumen, salinan, utawa koleksi pribadhi, lan uga dokumen publik. Perpustakaan Kongres Amerika Sarekat menika salah sijining lembaga sing ngalami kelangan jejak ing akeh filem.

Referensi

Pranala jaba 
 List of 7000+ Lost American Silent Feature Films
 American Silent Feature Film Database at the Library of Congress
 Subterranean Cinema  a website about the search for lost and rare cinema
 List of lost silent films at www.silentera.com
 List of lost films of the 1970s at The Weird World of 70s Cinema - 
 Vitaphone Project, restoring Vitaphone films and finding Vitaphone discs
 Josef von Sternberg. The Case of Lena Smith Book on Josef von Sternberg's last silent movie—one of the legendary lost masterpieces of the American cinema; Published by the Austrian Film Museum
 Film Threat's Top 50 Lost Films of All Time 
 Lost Films database
 Allan Ellenberger's blog on the many fires at Universal Studios 
 A Lost Film a blog about lost films, outtakes, etc.

 
Sajarah filem