Columbia subject headings:
Ahirs--History--Handbooks, manuals, etc.
Gujars--History--Handbooks, manuals, etc.
Jats--History--Handbooks, manuals, etc.
Harvard subject headings:
Princeton subject headings:
Ahirs--History--Handbooks, manuals, etc.
Gujars--History--Handbooks, manuals, etc.
Jats--History--Handbooks, manuals, etc.