Ramayana
अग्निष्टोमातिरात्राभ्यां गोसवैश्च महाधनैः । ईजे क्रतुभिरन्यैश्च स श्रीमानाप्तदक्षिणैः ॥ 7-99-10 ॥
With Agnishtoma and Atiratra rites, and with costly Gosava sacrifices, and with other rites attended by ample sacrificial fees, that illustrious one performed worship.
english translation