| Answer | Crossword Clue |
|---|---|
| PREHISTORY | Study of early man |
| patrology | the study of early Christianity |
| palaeoecology | the study of early ecology |
| palaeopedology | the study of early soils |
| PEA | Subject of early genetic study |
| patrologies | PATROLOGY, the study of early Christianity |
| palaeoecologies | PALAEOECOLOGY, the study of early ecology |
| patrologist | one who practises patrology, the study of early Christianity |
| patrologists | PATROLOGIST, one who practises patrology, the study of early Christianity |
