He is noted for his research in Prehistory, Protohistory and Ethnoarchaeology. Protohistory&colon; Archaeology of the Harappan Civilization. For a brief period Orkney emerged from prehistory and into protohistory. This museum represents a period of time ranging from protohistory to the Hellenistic Age. The protohistory of the Austronesian people can be traced farther back through time. This type of evidence is termed protohistory. The legends are not history or protohistory, as they are not records. The times "before writing" belong either to protohistory or to prehistory.