Stephen Eiton, or Eden’s “Acta Regis Edw. II

The interesting account of St. Thomas of Lancaster, with the appended queries (No. 12. p. 181.), reminds me of the work of Stephen Eiton or Eden, a canon-regular of Warter, in Yorkshire, entitled, “Acta Regis Edwardi iidi,” which is said still to remain in manuscript. Where is it deposited?