A lost work is a work that is known about, but no longer exists, or cannot be found.

Types

Lost literary work A lost literary work (referred throughout this article just as a lost work) is a document, literary work, or piece of multimedia, produced of which no surviving copies are known to exist, meaning it can be known only through reference, or liter ...

, where the text is unknown * Lost artworks, of visual art, which may be known through copies *

Lost media Lost media is any piece of media thought to no longer exist in any format, or for which no copies can be located. The term primarily encompasses visual, audio, or audiovisual media such as films, television, radio broadcasts, music, and video ...

, audiovisual media such as films, television and radio broadcasts, music, and video games **

Lost film A lost film is a feature film, feature or short film in which the original negative or copies are not known to exist in any studio archive, private collection, or public archive. Films can be wholly or partially lost for a number of reasons. ...

Lost television broadcast Lost television broadcasts are Television show, television programs that were not preserved after their original airing, rendering them permanently unavailable for both public and private screening. Because of this, they are considered a form o ...

Types

See also