Happy Xmas (War is Over) Title Happy Xmas (War is Over) Date Date (textual): 1971Publisher Hal Leonard CorporationContributors Plastic Ono BandAuthor Lennon, John; Ono, YokoLanguage EnglishDimensions Width: cm 21Height: cm 30Country of publication U.S.A. Belongs to: Archivio Beatles Tags: MUSICAL SCORES / SPARTITI MUSICALI SHEET MUSIC BEATLES' MEMBERS Type: Publications ENTITIES : Hal Leonard Corporation People: Lennon, John Ono, Yoko