Roberts, T. D. (1970). Father Gerard Manley Hopkins. Printed for the Hopkins Society].
Dyfyniad Arddull ChicagoRoberts, Thomas D'Esterre. Father Gerard Manley Hopkins. [London: Printed for the Hopkins Society], 1970.
Dyfyniad MLARoberts, Thomas D'Esterre. Father Gerard Manley Hopkins. Printed for the Hopkins Society], 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.