Subject
- Commerce379
- Slavery343
- Health and Medicine285
- Ethnic groups282
- Demography272
- Plants251
- Death223
- Education214
- Children200
- Food and Drink191
- Rites and Ceremonies189
- Transport183
- Crime158
- Marriage157
- Military154
- Christianity150
- Landscapes140
- Public utilities129
- Customs and traditions127
- Magic126