Correspondence between Robinson and Paul Kerrigan on signal towers, coast-guard stations, bridges and local defence force lookouts. Following the publication of an article about the Aran Islands map in the Irish Times in Mar 1984, Kerrigan writes to Robinson inquiring about Arkin Castle on Inis Mór, a signal tower on Inis Oírr, and another at Golam Head, Lettermullan. The correspondence runs from 28 Mar-19 Jul 1984 with copies of Robinson's letters included. Some enclosures including an article by Owen Quinn 'The coastwatching service', and an article written by Kerrigan 'The Defences of Ireland 1793-1815', 27pp;
Letter in Irish from Cormac Ó Gráda, in the process of finishing a book on the economic history of Ireland in the nineteenth century. He asks Robinson for information on the Aran Islands during the Famine (21 Nov 1986). Carbon copy of Robinson's typed reply in English enclosing some notes on seanchas he has heard on the topic (undated), 2pp;
Three letters to Robinson from Timothy Collins, enclosing notes on two stories of visits to Connemara in the 1850s/1860s by the British Association, and a group of Professors Melville, Cleland and Kinahan (6 May 1993). Two subsequent letters, discussing the early steamer services to the Aran Islands and the Yorke family (4-22 Aug 1994), 4pp.