Roland Mathias has written:
'Whitsun riot' -- subject(s): Catholics, History
'David Jones'
'Break in harvest'
'Craswall (Beirdd Gregynog / Gregynog Poets)'
'Anglo Welsh Literature' -- subject(s): English literature,
History and criticism, In literature, Intellectual life, Welsh
authors
'The hollowed-out elder stalk' -- subject(s): Poetic works
'Absalom in the tree, and other poems'