It is followed by the response of George Travis that led to the Porson–Travis debate. In the 1794 3rd edition of "Letters to Edward Gibbon", Travis included a 42-part appendix with source references. Another event coincided with the inauguration of this stage of the debate: "a great stirring in sacred science was certainly going on. Griesbach's first edition of the New Testament (1775–7) marks the commencement of a new era." The Griesbach GNT provided an alternative to the Received Text editions to assist as scholarship textual legitimacy for opponents of the verse.