RT Map T1 Maps of Dublin accompanying Thom's Official Directory A1 Ordnance Survey of Ireland A1 Alexander Thom PB Alexander Thom PP Dublin, Ireland YR 1874 PB Geographical Society of Ireland PP Ireland YR 1973 NO Date details: Each map bears a hand written date made by Dr. Arnold Horner (formerly of GPEP), based on information in J.H. Andrew’s article "Medium and message in early six-inch Irish Ordnance Maps: the case of Dublin city". NO Scope and content: The maps were published in the Thom's titles "Thom's Irish almanac and official directory" (1844-1880) or "Thom's official directory of the United Kingdom of Great Britain and Ireland" (1881-1926). NO Location of original: The original maps are held in the Barbara Miller Map Room, UCD School of Geography, Planning & Environmental Policy, E002 Newman Building, University College Dublin. AN uri:info:fedora/ucdlib:33000 DO doi:doi:10.7925/drs1.ucdlib_33000 LK //digital.ucd.ie/?getObject=ucdlib:33000 SL UCD Library, University College Dublin LL Belfield, Dublin 4, Ireland