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Books about Mantley:
Little mantley Snow, etc. [Song.] by Harry J Ballou
WOMAN OBSESSED "Mantley by John" 2.8 (Jan 1, 1900)
Wiki information Mantley:
John Truman Mantley was a Canadian theatrical actor, writer, director, screenwriter and producer of the long-running television series, Gunsmoke, and was Mary Pickford's cousin.
Marie Mantley is an actress.