Skandapurana 5.58.9

5.58.9

kṛtāśca śapathāstatra snātvā bhāgīrathījale ..
aduṣṭacetasā tena dattaṃ tatpustakaṃ hṛtam .. 9 ..

And having bathed there in the water of the Bhāgīrathī, oaths were taken [by him]. / Without wicked intention, that stolen book was then returned by him,