Twelve letters from Moriz, Count Esterhazy (1807-90), to William Cowper, later Cowper Temple, first Baron Mount Temple (1811-88), from 1832 and 1836-8, along with one further letter to Cowper probably from Maria, wife of Anton Paul, Prince Esterhazy, the Austrian ambassador in London.
The letters are written from Naples (1832) and Paris (1836-8), London and Liverpool (1837).