CD-RW (written April 2004) containing materials pertaining to Markus Casey's study of areas to be affected by upgrading of the N5 road through County Roscommon, including:
-34 photographs of confirmed or potential sites of archaeological and historical significance (19 January 2003 – 21 January 2003);
-6 Word documents (.doc) profiling confirmed or potential sites of archaeological and historical significance including colour photographs, locator maps, and physical location descriptions (21 January 2003 – 4 February 2003);
-14 incomplete site profiles (photographs and page templates only, 21 January 2003);
-4 .jpg scans of contemporary Ordnance Survey maps of Roscommon (25 January 2003);
-19 .jpg scans of original Ordnance Survey maps of Roscommon (28 January 2003);
-Word documents supporting the study including expense reports, invoices, and correspondence (4 February 2003 – 30 May 2003, 6 files).

CD-RW containing 258 aerial photographs of notable sites in the vicinity of the R370 road, County Roscommon, including archaeological sites in the path of road construction (18 March 2003), plus a letter in .doc format from Markus Casey to the Roscommon National Road Design Office (24 February 2003, 1p).

CD-RW containing 88 landscape photographs of notable sites in the vicinity of the R370 road, County Roscommon.

CD-RW (written January 2004) containing 92 photographs depicting Kilsaran Concrete's quarries at Usk and Halverstown, County Kildare and their environs including the adjacent townland of Ballyhurtim, County Wicklow, plus materials related to Markus Casey's archaeological assessment of the quarries and their environs including his final report.

CD-RW containing:
-Word documents (.doc) pertaining to a search to identify the location of a photograph taken by a professor from the University of Cambridge in 1970. Markus Casey was solicited by Rose Desmond, air photograph librarian, to identify the location, which was determined to be a lot in Cahermaculick, a townland northwest of Shrule, County Mayo (3 February 2003-17 February 2003);
-31 aerial photographs and 21 ground-level photographs of the Cahermaculick site (12 February 2003-24 March 2003);
-5 photographs of the Monivea Castle Icehouse, built by the ffrench family at Monivea Demesne, County Galway, c. 1860 (24 March 2003).

CD-RW containing 129 aerial photographs of coastal promontory forts and potential promontory fort sites on the Iveragh Peninsula, County Kerry.

CD-RW containing:
-19 aerial photographs of the environs of Roo, Craughwell, County Galway;
-13 photographs of light aircraft EI-MCF taken at Aeradróm Inis Mór (Inishmore Aerodrome).

CD-RW (written April 2004) containing .jpg and .psd scans of the original Ordnance Survey maps of Mitchelstown, County Cork, plus some scans of contemporary Ordnance Survey sheets containing Mitchelstown.

CD-RW (written April 2004) containing:
-41 Word documents (.doc) describing confirmed and potential sites of archaeological and/or historic importance in the path of the proposed corridor for the road bypass around Mitchelstown, County Cork. Each document represents a page that was to be included in a forthcoming report to be completed by Markus Casey. Each page includes colour photographs and locator maps but descriptions have not been filled in (4 May 2003);
-5 Word documents relating to Casey's survey work on the project, including invoices and a worksheet template (22 April 2003 - 31 March 2004).

CD-RW (written April 2004) containing 45 Word documents (.doc) describing confirmed and potential sites of archaeological and/or historic importance in the path of the proposed corridor for the road bypass around Mitchelstown, County Cork. Each document represents a page that was to be included in a forthcoming report to be completed by Markus Casey. Each page includes colour photographs and locator maps but descriptions have not been filled in.