Shiva Purana
धर्मसंज्ञं पुराणं चेत्येवं द्वादश संहिताः ॥ विद्येशं दशसाहस्रमुदितं ग्रंथसंख्यया ॥ ५२ ॥
There are twelve saṁhitās known as Dharma and Purāṇas. The Lord of knowledge is mentioned in the number of ten thousand books.
english translation
dharmasaMjJaM purANaM cetyevaM dvAdaza saMhitAH ॥ vidyezaM dazasAhasramuditaM graMthasaMkhyayA ॥ 52 ॥
hk transliteration by Sanscript