Shiva Purana
न मध्यमेश्वरादन्यल्लिंगं काश्यां हि विद्यते ॥ यद्दर्शनार्थमायान्ति देवाः पर्वणिपर्वणि ॥ ७८॥
There is no other Liṅga at Kāśī than Madhyameśvara for the sight of which the gods come here on every festive occasion.
english translation
na madhyamezvarAdanyalliMgaM kAzyAM hi vidyate ॥ yaddarzanArthamAyAnti devAH parvaNiparvaNi ॥ 78॥
hk transliteration by Sanscript