Columbia subject headings:
Economic history--Sources.
History--Methodology.
Probate records.
Social history--Sources.
Harvard subject headings:
Agriculture--History--Sources--Congresses.
Material culture--Sources--Congresses.
Probate records--Congresses.
Wealth--History--Sources--Congresses.
Princeton subject headings:
Economic history--Sources--Congresses.
History--Methodology--Congresses.
Probate records--Congresses.
Social history--Sources--Congresses.