General Prologue of the Wycliffe Bible and finished before January or February 1397. The "General Prologue" and the later version of the New Testament portion of the Wycliffe Bible, done after 1395, are attributed to Purvey as the main translator and editor/writer. The earlier version of the Wycliffe Bible, done around 1382, is attributed to John Wycliffe as the main translator and editor/writer. There are 250 Wycliffe Bibles that survive today in various degrees of completeness. It is estimated that about twenty-one contain or might have had the complete Wycliffe Bible (also known as the English Wycliffite Bible or the Lollard Bible). There are 89 Wycliffe
John Wycliffe produced a small treatise, "The Last Age of the Church". In the light of the virulence of the plague that had subsided only seven years previously, Wycliffe's studies led him to the opinion that the close of the 14th century would mark the end of the world. While other writers viewed the plague as God's judgment on sinful people, Wycliffe saw it as an indictment of an unworthy clergy. The mortality rate among the clergy had been particularly high, and those who replaced them were, in his opinion, uneducated or generally disreputable. He was Master of Balliol College in 1361.