€ 32,00
2 vols: VIII,240;VIII,212 p. Cloth 21 cm (TbGLS, last editions)
Amsterdam, Hakkert, 1966.
h heraeus 1966
Oxford, Clarendon Press, 1986.
Torino, Libreria Editrice Internazionale, 1913 – 1925.
Paris, Les Belles Lettres, 1925.
Paris 1958.