News from The Bard, via ShortList:

The play Double Falsehood – also known at The Distrest Lovers, was published in 1728 by the English writer and playwright Lewis Theobald, who claimed that his version was based on three manuscripts of an unnamed lost Shakespeare play. Subsequently, having initially rejected these claims of Shakespearean origin, some scholars had come to believe it to be an adaptation of a lost play called Cardenio, which had been written by the Bard and John Fletcher – another English playwright who was equally famous at the time when they were both writing.

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