Description and travel 19
History 18
Antiquities 16
Excavations (Archaeology) 7
Civilization 6
Prehistoric peoples 6
Paleolithic period 4
Travel 4
Geology 3
Politics and government 3
Education 2
Egyptian language 2
Etymology 2
Geology, Stratigraphic 2
Inscriptions, Egyptian 2
Physical geography 2
Tools, Prehistoric 2
Women travelers 2
Agriculture, Prehistoric 1
Archaeological surveying 1
Chert 1
Chert implements 1
Commerce 1
Discovery and exploration 1
Ethnology 1
Food 1
Foreign relations 1
Geography 1
Hunting and gathering societies 1
Irrigation water 1
Material culture 1
Novelists, English 1
Paleogeography 1
Pharaohs 1
Political aspects 1
Quarries and quarrying, Prehistoric 1
Refugees 1
Regulation 1
Relations 1
Statistics 1
Steamboats 1
Water resources development 1
Water-supply 1