81-7120-121-0   ^ Vivekananda 1987 , p. 374 Vol II ^ Rigveda is not only the oldest among the vedas, but is one of the earliest Indo-European texts. ^ "Swami Shivananda's mission" . http://www.dlshq.org/religions/vedas.htm . Retrieved 2007-06-25 .   ^ Werner 1994 , p. 166 ^ Monier-Williams 1974 , pp. 25–41 ^ Sarvopaniṣado gāvo,