The Harvard document is a copy of Edward I's 1297 Great Charter that is still partly in force today. There were earlier versions of the Magna Carta; originally

The Harvard document is a copy of Edward I's 1297 Great Charter that is still partly in force today. There were earlier versions of the Magna Carta; originally authored by Stephen Langton, Archbishop of Canterbury in 1215, rejected, revised and eventually reissued and negotiated (largely by force) by William Marshal, 1st Earl of Pembroke in 1217. https://www.nationalarchives.gov.uk/education/resources/magna-carta/british-library-magna-carta-1215-runnymede/ https://www.nationalarchives.gov.uk/education/resources/magn...