अग्निनिचयः (Agninichaya) / The Accumulation of Sacred Fire & the Classification of Pitṛs by Time-Order
तेषां यतो गणा ह्येते देवानां तु त्रयः स्मृताः / छन्दजास्तु त्रयस्त्रिंशत्सर्गे स्वायंभुवस्य ह
teṣāṃ yato gaṇā hyete devānāṃ tu trayaḥ smṛtāḥ / chandajāstu trayastriṃśatsarge svāyaṃbhuvasya ha
From them indeed these divine hosts arose; and three classes of gods are remembered. In the creation of Svāyambhuva Manu, the gods born of the Chandas are counted as thirty-three.