Pārāyanavagga

Suttapiṭaka · Khuddakanikāya · Cūḷaniddesa · Vol. 30 · Section 45

[45] Having reached perfection in his own doctrine, he taught five hundred (students) in the marks (lakkhaṇa) and in the legends (itihāsa), together with the glossaries (nighaṇḍu) and the manuals of ritual (keṭubha).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.