information about Pearl field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Philosophy 22.3M papers | Geography 13.2M papers | History 8M papers | Archaeology 6.9M papers |
Theology 2M papers | |||
| Current | |||
Pearl 19.8k papers | |||
| Child | |||
Pearl oyster 1,882 papers | Pinctada fucata 1,022 papers | Margaritifera 1,019 papers | |
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History