Ireland. Irish Military Intelligence Service & O'Donoghue, F. (1940). Letter from "A54" to Florence O'Donoghue, informing him that planes were sighted over Castletownbere and over Bantry, co. Cork, that submarines were sighted off the Kerry coast, and giving intelligence about a man identified by a number.

Ireland. Irish Military Intelligence Service and Florence O'Donoghue. Letter from "A54" to Florence O'Donoghue, Informing Him That Planes Were Sighted over Castletownbere and over Bantry, Co. Cork, That Submarines Were Sighted off the Kerry Coast, and Giving Intelligence About a Man Identified by a Number. 1940.