Columbia subject headings:
Harvard subject headings:
Eurasia--Antiquities--Congresses.
Excavations (Archaeology)--Eurasia--Congresses.
Horses--History--Congresses.
Indo-European antiquities--Congresses.
Indo-Europeans--Congresses.
Princeton subject headings:
Horses--History--Congresses.
Indo-Europeans--Domestic animals--Congresses.
Schlerath, Bernfried--Bibliography.