Shiva Purana
आधाराद्युन्मनांतश्च भुवनाध्वा प्रकीर्तितः ॥ विना भेदोपभेदाभ्यां षष्टिसंख्यासमन्वितः ॥ ५ ॥
Those beginning with Ādhāra and ending with Unmana constitute the paths of worlds. They are sixty in number without difference and subsidiary divisions.
english translation
AdhArAdyunmanAMtazca bhuvanAdhvA prakIrtitaH ॥ vinA bhedopabhedAbhyAM SaSTisaMkhyAsamanvitaH ॥ 5 ॥
hk transliteration by Sanscript