Shiva Purana
शैवागमाश्च ये चान्ये कामिकाद्याश्चतुर्विधाः ॥ शिवाभ्यामविशेषेण सत्कृत्येह समर्चिताः ॥ १६६ ॥
There are also four kinds of śiva-agamas, such as kāmika and others. They are worshiped here with special respect by both Lord Shiva.
english translation
zaivAgamAzca ye cAnye kAmikAdyAzcaturvidhAH ॥ zivAbhyAmavizeSeNa satkRtyeha samarcitAH ॥ 166 ॥
hk transliteration by Sanscript