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
Islamic State of Iraq and the Levant them in the middle of the city square". In March 2015, ISIL reportedly bulldozed the 13th-century BC Assyrian city of Nimrud, believing its sculptures to be idolatrous. UNESCO head, Irina Bokova, deemed this to be a war crime. ISIL has burned or stolen collections of books and papers from the various locations including the Central Library of Mosul (which they rigged with explosives and burned down), the library at the University of Mosul, a Sunni Muslim library, a 265-year-old Latin Church and Monastery of the Dominican Fathers, and the Mosul Museum Library. Some destroyed or stolen works date back to