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In page Élisabeth of France:

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Royalist literature represents her as a Catholic martyr, while left-wing historians severely criticise her for extreme conservatism, which seemed excessive even to Louis XVI and Marie Antoinette. Several biographies have been published of her in French, while extensive treatment of her life is given in Antonia Fraser's biography of Marie Antoinette and Deborah Cadbury's investigative biography of Louis XVII.