Manuscript letter from Thomas O'Donovan, 95 Killala Road, Cabra West, Dublin, to Florence O'Donoghue, asking him to include his name to a list of names of Cork City Battalion of Irish Volunteers at Easter Sunday 1916 and discussing his role, - O'Donoghue, Florence, 1895-1967; Bureau of Military History, 1913-1921 (1948)