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In page Marguerite de Angeli:

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In 1971, two years after her husband died, de Angeli published her autobiography, Butter at the Old Price.[1] Her last work, Friendship and Other Poems, was published in 1981 when she was 92 years old. She died at the age of 98 on June 16, 1987, in Philadelphia, Pennsylvania. She was survived by 3 of her 4 sons: Arthur, Harry and Maurice; daughter, Nina Kuhn; 13 grandchildren, and 16 great-grandchildren.[citation needed]