author unknown
- anonymousOf unknown origin
- unsignedBearing no signature
- uncreditedNot formally recognized
- mysterySomething unexplained or unknown
- pseudonymFictitious professional name
ghostwriter · attribution · manuscript · apocryphal · unattributed · folklore · legend · traditional · oral · provenance · enigma · forgotten · lost · obscure · uncertain · disputed · questionable · origins
attribution status
author unknownattributed
Assigned to a source
signed · credited · authenticated · documented · claimed