Hitop, 1, 187.2 kākī kanakasūtreṇa kṛṣṇasarpam aghātayat //

Hitop, 2, 121.6 atrāvasthitakṛṣṇasarpeṇāvayoḥ santatiḥ satataṃ bhakṣyate /

Hitop, 2, 124.17 atha kanakasūtrānusaraṇapravṛttai rājapuruṣais tatra tarukoṭare kṛṣṇasarpo dṛṣṭo vyāpāditaś ca /

Hitop, 4, 103.4 tatas tena nakulena bālakasamīpam āgacchan kṛṣṇasarpo dṛṣṭo vyāpādya kopāt khaṇḍaṃ khaṇḍaṃ kṛtvā bhakṣitaś ca /