Robert Stewart Viscount Castlereagh

• Memoirs and Correspondence of Viscount Castlereagh, Second Marquess of Londonderry; Volume 1
• Memoirs and Correspondence of Viscount Castlereagh, Second Marquess of Londonderry; Volume 2
• Memoirs and Correspondence of Viscount Castlereagh, Second Marquess of Londonderry; Volume 3