Notes: Found during the 1987 excavation of Harvard yard. Excavations focused on the oldest part of the yard where both the "seventeenth-century Old College and Indian College buildings" were located (Digging Veritas: The Archaeology & History of the Indian College and Student Life at Colonial Harvard | Peabody Museum of Archaeology & Ethnology, Harvard University: Cambridge, Massachusetts. https://peabody.harvard.edu/hyap).