Publicado por Oxford: Clarendon Press, 1959
Librería: Cragsmoor Books, Cragsmoor, NY, Estados Unidos de America
Original o primera edición
Soft cover. Condición: Very Good. No Jacket. 1st Edition. Stapled wrapps., light blue with red lettering, edges. sl. toned, light foxing to cover. 34pp., sl. toned. 2 text marks in margins, o.w. clean copy.