information about Imperial unit system field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Political science 21.4M papers | Law 13.3M papers | Geography 11.1M papers | History 7M papers |
Archaeology 6.3M papers | Politics 4.2M papers | Ancient history 916k papers | Colonialism 142k papers |
Empire 88.9k papers | |||
| Current | |||
Imperial unit system 657 papers | |||
| Child | |||
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