Shiva Purana
अलाबुं वेणुपात्रं च दारवम्मृण्मयन्तथा ॥ भिक्षोश्चत्त्वारि पात्राणि पञ्चमन्नैव विद्यते ॥ ३३ ॥
He shall use only four types of begging bowls, that made of dried gourd, or of bamboo, or of wood or of clay. He shall not take any other type of bowl.
english translation
alAbuM veNupAtraM ca dAravammRNmayantathA ॥ bhikSozcattvAri pAtrANi paJcamannaiva vidyate ॥ 33 ॥
hk transliteration by Sanscript