Shiva Purana
अंगिरास्तपसो मूर्तिस्तपस्वी कश्यपस्तथा ॥ तपोधनश्च पौलस्त्यः पुलहश्च तपोरतिः ॥ ५६ ॥
Angira was the embodiment of austerities and Kasyapa the ascetic Paulastya and Pulaha were rich in austerities and fond of austerities.
english translation
aMgirAstapaso mUrtistapasvI kazyapastathA ॥ tapodhanazca paulastyaH pulahazca taporatiH ॥ 56 ॥
hk transliteration by Sanscript