The Cambridge History of India, Vol. I: Ancient India v1.c17.115

v1.c17.115

and the Saṃhitās and Brāhmaṇas which are preserved seem, without exception, to have taken definite form among the Kuru-Pañchālas, even when, as in the case of the Çatapatha Brāhmaṇa, they recognise the existence of the activities of the kings and priests of Kosala-Videha. It is significant of the state of affairs that in the Saṃhitās and allied texts of the Yajurvedas where the ceremony of the Rājasūya is described, the king is presented to the people with the declaration, ‘This is your king, O Kurus,’ with variants of ‘O Pañchālas’ and ‘O Kuru-Pañchālas.’