Columbia subject headings:
Burden of proof--Congresses.
Evidence (Law)--Congresses.
Presumptions (Law)--Congresses.
Probabilities--Congresses.
Harvard subject headings:
Burden of proof--Congresses.
Evidence (Law)--Congresses.
Presumptions (Law)--Congresses.
Probabilities--Congresses
Princeton subject headings:
Law and fact--Congresses.