British Museum Department of the Middle East group of stone reliefs from the excavations of Max von Oppenheim at Tell Halaf that was purchased in 1920. More material followed from the excavations of Max Mallowan at Chagar Bazar and Tell Brak in 1935–1938 and from Woolley at Alalakh in the years just before and after the Second World War. Mallowan returned with his wife Agatha Christie to carry out further digs at Nimrud in the postwar period which secured many important artefacts for the museum. The collection of Palestinian material was strengthened by the work of Kathleen Kenyon at Jericho in the 1950s and the acquisition in
British Museum ancient Near East and its adjacent areas. These cover Mesopotamia, Persia, the Arabian Peninsula, Anatolia, the Caucasus, parts of Central Asia, Syria, the Holy Land and Phoenician settlements in the western Mediterranean from the prehistoric period and include objects from the beginning of Islam in the 7th century. The first significant addition of Mesopotamian objects was from the collection of Claudius James Rich in 1825. The collection was later dramatically enlarged by the excavations of A. H. Layard at the Assyrian sites of Nimrud and Nineveh between 1845 and 1851. At Nimrud, Layard discovered the North-West Palace of Ashurnasirpal II,