Class Act : Margaret O'Brien - Brief biography, complete filmography with movie reviews, photos and a link to her autobiography. www.classicmoviemusicals.com/obrienm.htm
IMDb.com : Margaret O'Brien - Basic facts, a complete filmography, photo gallery, awards and titles for sale. us.imdb.com/Name?O%27Brien,+Margaret
ReelClassics : Margaret O'Brien - Illustrated biography of the actress on three pages plus filmography, awards, news and bibliography. www.reelclassics.com/Actresses/O'Brien/obrien.htm
