Note in Irish from Leon Ó Mórcáin to Robinson enclosing an annotated photocopied map covering the boundaries of Cill Briocáin (Teorainn Cill Briocáin). Undated 2pp;

Typed letter from D O'Sullivan, Chief Superintendent of the Ordnance Survey to Robinson enclosing the National Grid Factors for the area marked on his index map. Encloses a grid map and a list of grid factors. (10 Dec 1986) 3pp;

Handwritten letter from Pádraig Audley to Robinson enclosing a photocopied grid map, on which he has outlined the boundary of Knock-Spiddal Parish to the west of the Crimlin River. He explains a boundary between the East and West sides of the parish, and lists the townlands in the Tully half parish. (12 Aug 1987) 3pp;

Handwritten letter from Francis [ ] to Robinson referring to photocopies of maps he has enclosed with the letter (not included). (19 Jun 1990) 1p;

Correspondence between Professor Brian McNicholl and Robinson, beginning with a handwritten letter from McNicholl who is contacting Robinson about a town called Pontoy or Pomoy which appears on historic maps he has seen, but which he cannot identify. Copy reply from Robinson who has wondered about the same placename, but has not established its modern name. He asks if it is possible to obtain photographs of these sections of the maps. A reply from McNicholl discusses the matter further, and encloses photographs of sections taken from the following historic maps. Baptista Boazio's Map of Ireland (1599), O'Donovan's map of Connemara, John Speede's map of the Province of Connaught (1610), Ortelius Map of Ireland (1573), Mercator Map of Ireland (1595). (1990) 5pp and 6 photographs;

Correspondence between Michael Gibbons and Robinson, including some third party correspondence and enclosures. A note enclosing a photocopied article by Jane Conroy 'Galway Bay, Louis XIV's navy and the "little bougard"' (published 1997). The article describes and shows French hydrographical charts of Galway Bay and Aran. A third party letter from John Andrews to Gibbons comments on the Zalterius map and its similarity to the version of Ireland in Mercator's map of Europe. Subsequent correspondence between Gibbons and Robinson on the subject. (c1998-2003) 17pp;

File of fragments and tracings of OS maps of Inishbofin / Inis Bó Finne. Each item contains several of Robinson's annotations. They cover sheets 9 and 9c of the Co Galway six inch Ordnance Survey.

File of fragments and tracings of OS maps of Garmna / Gorumna. Each item contains several of Robinson's annotations. Robinson's indexing systems gives the sheets the following numbers: 89, 90A, 90D, 90G, 90G, 91 bottom.

Large map on tracing paper covering Leitir Móir to the North-East, An Trá Bán to the South-East, Leitir Mealláin to the South West, and Inis Bhearcáin to the North-West. The map is undated, but is signed Tim Robinson, Cill Ronáin, Árainn.

File of fragments and tracings of OS maps of Béal an Daingin / Bealadangan. Each item contains several of Robinson's annotations. Large map on tracing paper with Cladhnach at the North, Barr an Doire to the East, An Caorán Beag to the South, and An Cheathrú Rua Theas and Thuaidh to the West. Robinson's indexing systems gives the sheets the following numbers 78F, 78I, 90B, 90C, 90E, 90H.

File of fragments and tracings of OS maps of Carna and Cill Chiaráin. Each item contains several of Robinson's annotations. Robinson's indexing systems gives the sheets the following numbers: 64H, 64I, 76(2 copies), 76B (2 copies), 76 B/C, 76C, 76C/E, 76D (3 copies), 77 (2 copies), 77C, 77D, 77F, 77G, 89A. Further sections that are unmarked, covering the areas of Áird Mór.

A note from Gerard Jennings enclosing edits on a copied map of the area, dated 19 July 1989.

File of fragments and tracings of OS maps of Roundstone, Tuaim Beola, Inis Ní, and Westwards, Deer Island. Each item contains several of Robinson's annotations. Robinson's indexing systems gives the sheets the following numbers: 63, 63B, 76A, though most of the maps are not indexed. Three of the maps are marked 'Errisbeg' placenames, and a note that some of the information was gathered in the Summer of 1988. A list of Errisbeg Gardens by Cynthia and John Conneely, with attached section of map, and the listed gardens marked out.

File of fragments and tracings of OS maps of Clifden, Ballinaboy and Cleggan. Each item contains several of Robinson's annotations. Filed in with these fragments is a photocopied grid map of Connemara National Park with a handwritten note to Tim Robinson from Noel K[ ] on the forestry in the area.

File of fragments and tracings of OS maps of Muicineach and Camas. Each item contains several of Robinson's annotations. Robinson's indexing systems gives the sheets the following numbers: 65 (3 copies), 65D, 65G, 65J, and 79.

File of fragments and tracings of OS maps of An Caiseal to Gabhla. Each item contains several of Robinson's annotations. Not all of the map sections are indexed using Robinson's numbering systems, but the ones that are have been grouped together at the start: no's 51 (3 copies), 51 A/6, 51C, 51G (2 copies), 51H, 51I, 51J.

File of fragments and tracings of OS maps of Oorid, Shindilla, Knockadav. Each item contains several of Robinson's annotations.