Complex sentence: Delarivier Manley has been erroneously claimed to have written "The Secret History of Queen Zarah" (1705), this was first doubted in Patricia Köster's edition of her works (which still included the title).
Split into simpler sentences: Delarivier Manley has been erroneously claimed to have written "The Secret History of Queen Zarah" (1705). This was first doubted in Patricia Köster's edition of her works (which still included the title).