numbers and counting occupations pandemics and epidemics religion and cosmology resistance and dissent roads and bridges 797 807 819 831 869 882 Volume IV sacred sites scandals and corruption science seafaring and navigation settlement patterns ships and shipbuilding slaves and slavery social collapse and abandonment 897 908 921 952 961 974 985 998 social organization sports and recreation storage and preservation textiles and needlework towns and villages trade and exchange transportation war and conquest weaponry and armor weights and measures writing 1010 1047 1061 1073 1085 1095 1110 1121 1161 1172 1183 Glossary Chronology by Region General Bibliography Index 1195 1220 1231 1235