€ 15,00
Cloth. 19 cm (OCT)(Ex libris on inside frontcover)
Oxford, Clarendon Press, 1960.
a hude 1960
Torino, Libreria Editrice Internazionale, 1913 – 1925.
Amst., Hakkert, 1966.
Paris, Les Belles Lettres, 1925.
Paris 1958.