"containing his treacherous plots against his brother Clarence, the pittiefull murther of his innocent nephewes, his tyrannicall usurpation, with the whole course of his detested life and most deserved death"
(Subtitle of the 1597 edition.)
Free online scanned T.Hughes London 1823 edition at archive.org:
Free online scanned Francis Hart & Co 1878 edition at archive.org::
Free online scanned Blackie & Sons, The Warwick Sharespeare, 1896 edition at archive.org::