The Berkeley collection consists of letters and British naval orders spanning the years 1808 to 1813. The letters in this collection concern the naval operations under Sir George Cranfield Berkeley 's command. They include naval appointments, administrative orders, dismissals, discharges, conscription of U.S. seamen, and coordination of supply ships with the British Army. The letters in the collection were written primarily by men associated with the British Admiralty, the British Embassy in Portugal, or the British Army in Portugal.