The Institute of Archaeology Collections contain c. 80,000 objects that are used in teaching, research and outreach. Archaeological materials include ceramics, lithics and other objects from a range of periods across Europe, Africa, Egypt, the Levant, Mesopotamia, Pakistan, India, Mesoamerica, South America and the Caribbean. Notable collectors include Flinders Petrie (the Petrie Palestinian Collection), Kathleen Kenyon, Beatrice De Cardi, W.L. Hildburgh, R.G. Gayer-Anderson and Mortimer Wheeler. There are also extensive collections of archaeobotanical and zooarchaeological material which act as primary sources for the identification of plant and animal remains. Further collections of minerals, slag and other materials provide teaching resources for the study of ancient technology.