rk

ṛk the Ṛg Veda; BG 9.17
ṛk-yajuḥ-sāma-atharva the four Vedas; SB 3.12.37
ṛk according to the Ṛg Veda; SB 10.7.13-15
ṛk-atharva-yajuḥ-sāmnām of the Ṛg, Atharva, Yajur and Sāma Vedas; SB 12.6.50
sāma-ṛk-yajurbhiḥ with the hymns of the Sāma, Ṛg and Yajur Vedas; SB 12.11.47-48
ṛk Vedic mantras; CC Madhya 25.99
sei ṛk those same Vedic mantras; CC Madhya 25.99