British Museum 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
Assyrian sculpture of pieces that have been found and then reburied is also uncertain. At the peak of excavations, the volume found was too large for the British and French to manage, and many pieces either were diverted at some point on their journey to Europe, or were given away by the museums. Other pieces were excavated by diggers working for dealers. As a result, there are significant groups of large "lamassu" corner figures and palace relief panels in Paris, Berlin, New York, and Chicago. Many other museums have panels, especially a group of college museums in New England, with the museum