=LDR 22 4500 =001 3098 =082 04$a941.503 LYD =100 1\$aLydon, James =245 10$aIreland in the later middle ages =260 \\$aDublin :$bGill and Macmillan,$c1973 =650 \0$aBooks =852 \\$bFreeman Library$h941.503 LYD$zNot located