€ 6,00
(VI),186 p. Cloth 17 cm (Bookplate on inside frontcover)
Ldn., Methuen, 1961.
h01 irvine 1961
Paris, Les Belles Lettres, 1958.
Amsterdam, Hakkert, 1966.
Oxford, Clarendon Press, 1971.
Lpz., Tbn., 1895.