1. Moore J. M. , The Manuscript Tradition of Polybius, pp. 129 ff. and generally Krumbacher, Gesch. der byzant. Lit., p. 258.
2. Walbank F. H. , JRS 1962, 1 ff. Cf. remarks in my forthcoming article, Cicero and Historiography, in Miscellanea Manni, and on Callisthenes my Loeb edn. of Arrian, Anabasis 1., Appendix III.