=LDR 22 4500 =001 32 =082 04$a1990 MCG =100 1\$aMcGrath, Fiona =245 10$aAchill Island, Co. Mayo: a case study of return migration =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1990 =650 \0$aTheses =852 \\$bFreeman Library$h1990 MCG