Auto Sacramental

Answers.com Definition of Auto Sacramental.

Encyclopedia.com Useful definition of Auto Sacramental from The Concise Oxford Companion To The Theatre.

New Advent Catholic Encyclopedia Comprehensive definition of this Spanish genre.

The Free Dictionary Brief definition of Auto Sacramental.

Theatre History.com Useful biography of Spanish playwright Calderon.

Theatre Database Excellent article on both Lope de Vega and Calderon.

Wikipedia Entry on Auto Sacramental.