Collins, A. W., Alexander the Great and the office of «edeatros», in: Historia 61/4 (2012), 414-420. ders., The office of chiliarch under Alexander and the Successors, in: Phoenix 55/3-4 (2001), 259-283. Thomas, D., The taxeis of Alexander and the change to chiliarch, the companion cavalry and the change to hipparchies: a brief assessment, in: AncW 23 (1992), 43-57.