Edward Stanhope: inquires about relics discovered of Captain Cook's first voyage (2 letters), 22 Sep; 8 Jan Date: 22 Sep; 8 Jan
Lady Belmore (Moss Vale, Enniskillen): Samuel's offer to send ferns from Sydney; photographs (2 letters), 4 Dec 1873; 21 Nov 1870 Date: 4 Dec 1873; 21 Nov 1870
Lord Herschell: matters concerning Imperial Institute (3 letters), 4 Jun; 26 Feb; 12 Mar Date: 4 Jun; 26 Feb; 12 Mar