Postmortem
His sister Charlotte made a transcription of his Diaries, but censored "peccant passages" and destroyed the original. Based only on the transcription, The Diary of John Polidori was edited by William Michael Rossetti and first published in 1911 by Elkin Mathews (London). Reprints of this book, The diary of Dr. John William Polidori, 1816, relating to Byron, Shelley, etc. was published by Folcroft Library Editions (Folcroft, PA) in 1975, and by Norwood Editions (Norwood, PA) in 1978. A 2009 edition has recently been printed by Cornell University.
Read more about this topic: John William Polidori