Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Tsodilo' has mentioned 'Pottery' in the following places:
Occurrence Sentence Text Source
This cave lacks ostrich egg shell, bone artifacts, pottery or iron, but there were a few mongongo shell fragments found in Later Stone Age layers.
Pottery sherds, ostrich egg shell beads, and mongongo shells were also uncovered.
Pottery found in the deepest layers was dated to the first century[clarification needed], and is affiliated with the oldest stone artifacts found in this area.