Bibliografía (9 obras)
Extracranial Cerebrovascular Disease
1986
The world beyond
1984
Maya ceramic vases from the classic period
1982
The Maya book of the dead
1981
The smoking gods
1978
The Smoking Gods Tobacco in Maya Art, History and Religion
A study in Maya art and history
1975
Copan, home of the Mayan gods
1972
Copan
