His major scholarly monograph is Topiltzin Quetzalcoatl : The Once and Future Lord of the Toltecs ( 2001 ) .
Nicholson , was a scholar of the Aztecs .
Nicholson 's major scholarly monograph is Topiltzin Quetzalcoatl : The Once and Future Lord of the Toltecs ( 2001 ) .
Nicholson , was a scholar of the Aztecs .