sentences:  The specialist research library contains some 10,000 volumes, over 50 periodicals, maps, audio-visual material, and a collection of primary source documents (the Irish Emigration Database) which is searchable on computer.The centre is open to visitors during basic office hours, and closed during public holidays.The Old World region includes whole streets of original houses, an original printing press, a bank, an old police barracks, the old Castletown National School, and two churches.