Plough

https://www.wikidata.org/wiki/Q11464

Field Hierarchy

Parent
Biology 36.7M papers	Geography 13.4M papers	History 8.1M papers	Archaeology 7M papers
Agronomy 2.5M papers
Current
Plough 14.3k papers
Child
Plowshare 0 papers		Disc harrow 0 papers

Trends

Notes

History