Ketton-Cremer, R. Thomas Gray: A biography. Cambridge University Press.
Chicago Edition CitationKetton-Cremer, R.W. Thomas Gray: A Biography. London: Cambridge University Press.
Deismireacht MLAKetton-Cremer, R.W. Thomas Gray: A Biography. Cambridge University Press.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.