Answer: trilogy

AnswerCrossword Clue
TRILOGY"U.S.A." by Dos Passos is one
trilogya group of three related literary works
trilogya series of three dramas or literary works or sometimes three musical compositions that are closely related and develop a single theme
TRILOGY"The Lord of the Rings," among others
TRILOGY"The Hitchhiker's Guide to the Galaxy" five-part series, jokingly
TRILOGY"The Lord of the Rings," notably
TRILOGYDante's "The Divine Comedy," e.g.
TRILOGYThree-part work
TRILOGYAeschylus' "Oresteia," e.g.
TRILOGYDos Passos's "U.S.A."
TRILOGYGroup of three in literature
TRILOGYSet of plays, novels, etc.
TRILOGY"Henry VI," for example.
TRILOGYThe "Godfather" films, e.g.
TRILOGY"The Lord of the Rings", e.g.
TRILOGY"U.S.A.", e.g.
TRILOGYTolkien wrote one
TRILOGY"The Lord of the Rings" movies, e.g.
TRILOGY"The Lord of the Rings," e.g.
TRILOGYTolkien's "The Lord of the Rings," for one