Ioannis Cantacuzeni Eximperatoris historiarum Libri IV

This three-volume work of Byzantine history by the ex-Emperor John VI Cantacuzene (c. 1292-1383) was edited by Ludwig Schopen (1799-1867) and published between 1828 and 1832. It covers 1321-57; Schopen's edition includes a Latin translation and the life of John by the Jesuit scholar, Pontanus (1542-1626).