His numerous other collections include Stelae and Other Poems (1965), Spirit Level (1974), and Life Fund (1979). He has also written many critiques of Welsh literature, including a collection of essays entitled The Cost of Strangeness (Gomer Press, 1982).
The poet's extensive oeuvre encompasses Stelae and Other Poems (1965), Spirit Level (1974), and Life Fund (1979). He has also written several critical assessments of Welsh literature, including a collection of essays called The Cost of Strangeness (Gomer Press, 1982).