Man and his habitat : essays presented to Emyr Estyn Evans / edited by R.H. Buchanan, Emrys Jones & Desmond McCourt. - Buchanan, Ronald H. (Ronald Hull); Jones, Emrys, 1920-; McCourt, Desmond; Evans, E. Estyn (Emyr Estyn), 1905- (Routledge and K. Paul, 1971)