Jones, T. H., Dylan Thomas, London: Oliver and Boyd, 1966.

Maud, Ralph, in his Entrances to Dylan Thomas's Poetry, Pittsburgh: University of Pittsburgh Press, 1963, 175 p.

Rosenthal, M. L., "Exquisite Chaos: Thomas and the Others," in his The Modern Poets: A Critical Introduction, Oxford University Press, 1960, pp. 203-72.

Thomas, Dylan, Collected Poems, London: Dent, 1952, p. 163.