9 GEOGRAPHY. BIOGRAPHY. HISTORY 902/908 Archaeology. Prehistory. Cultural remains. Area studies 902 Archaeology 903 Prehistory. Prehistoric remains, artefacts, antiquities 904 Cultural remains of historical times 908 Area studies. Study of a locality 91 Geography. Exploration of the Earth and of individual countries. Travel. Regional geography 910 General questions. Geography as a science. Exploration. Travel 910.1 Science of geography. Methodology (theory, systems, methods) 910.2 Kinds and techniques of geographical exploration 910.3 Exploration of particular geographical features 910.4 Voyages of discovery 911 General geography. Science of geographical factors (systematic geography). Theoretical geography 911.2 Physical geography 911.3 Human geography (cultural geography). Geography of cultural factors 911.5/.9 Theoretical geography 911.5 Typological geography 911.6 Individual spatial divisions and regional units 911.7 Comparative geography 911.8 Normative geography 911.9 Applied, practical geography 912 Nonliterary, nontextual representations of a region 913 Regional geography 92 Biographical studies. Genealogy. Heraldry. Flags 929 Biographical studies 929.5 Genealogy 929.6 Heraldry 929.7 Nobility. Titles. Peerage 929.9 Flags. Standards. Banners 93/94 History 930 Science of history. Historiography 930.1 History as a science 930.2 Methodology of history. Ancillary historical sciences 930.25 Archivistics. Archives (including public and other records) 930.85 History of civilization. Cultural history 94 General history