 Yeats, as well as garnering the Hawthornden Prize in the following year.Jones's style can be described as High Modernism; the poem draws on literary influences from the 6th-century Welsh epic "Y Gododdin" to Thomas Malory's "Morte d'Arthur" to the poetry of Gerard Manley Hopkins and "Anabase" by St. John Perse (translated by Eliot) to try to make sense of the carnage he witnessed in the trenches.An extract from "In Parenthesis" read by Jones himself in 1967 appears on the audiobook CD "Artists Rifles".