The Mexican calendar stone
"From Proceedings of the American Antiquarian Society, of April 24 and October 21, 1878."
"Terra cotta figure from Isla Mujeres, northeast coast of Yucatan by Stephen Salisbury, jr.
SubjectMaya calendar.; Mayas -- Antiquities.; Yucatán (Mexico : State) -- Antiquities.; Yucatán (Mexico : State) -- Description and travel.