Columbia subject headings:
Sacrifice--Hinduism--History.
Vedas. R̥gveda--Criticism, interpretation, etc.
Harvard subject headings:
Sacrifice--Hinduism--History.
Vedas. Ṛgveda--Criticism, interpretation, etc.
Princeton subject headings:
Hinduism--Doctrines.
Sacrifice--Hinduism.
Vedas. R̥gveda--Criticism, interpretation, etc.