This series contains the private and semi-official correspondence of the Rt Hon Edmund (afterwards Lord) Hammond, Permanent Under Secretary of State for Foreign Affairs from April 1854 to October 1873, with British representatives in the USA, Brazil, China, France, Germany, Italy, Japan, Portugal, Russia, Spain and Turkey, as well as with Gladstone, Palmerston, Lord John Russell and others. One volume relates to the murder of British subjects by brigands in Greece in 1870 and there are three volumes of his private correspondence with his parents and wife.