=LDR 22 4500 =001 2599 =082 04$a1998 WAL =100 1\$aWalshe, Cliona =245 10$aA history and analysis of the New York subway and its impact on the development of New York city =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1998 =650 \0$aDissertations =852 \\$bFreeman Library$h1998 WAL