Thomas Izbicki received a doctorate in medieval history at Cornell University (1973). He became an academic librarian in 1986. While serving as a librarian at Wichita State University, Johns Hopkins University and Rutgers University, he pursued research on the medieval Church, including canon law. His publications focus on Pius II, Juan de Torquemada OP, Nicholas of Cusa and the sacraments in canon law. Dr Izbicki's most recent book is Religion, Power, and Resistance from the Eleventh to the Sixteenth Centuries: Playing the Heresy Card, edited with Karen Bollermann and Cary J. Niederman (2014).

• Introduction: the sacraments in medieval canon law; 1. The real presence of Christ, the minister and the materials of the sacrament; 2. The form of the sacrament and the elevation of the host; 3. Communion: union with Christ and unity in the sacrament; 4. Custody of the Eucharist and communion of the sick; 5. Corpus Christi and wonder hosts; Conclusion; Bibliography; Index.

'The influence, construction, and use of medieval canon law is richly illuminated through such a focused study.' Kriston R. Rennie, Renaissance Quarterly

Thomas Izbicki received a doctorate in medieval history at Cornell University (1973). He became an academic librarian in 1986. While serving as a librarian at Wichita State University, Johns Hopkins University and Rutgers University, he pursued research on the medieval Church, including canon law. His publications focus on Pius II, Juan de Torquemada OP, Nicholas of Cusa and the sacraments in canon law. Dr Izbicki's most recent book is Religion, Power, and Resistance from the Eleventh to the Sixteenth Centuries: Playing the Heresy Card, edited with Karen Bollermann and Cary J. Niederman (2014).

• Introduction: the sacraments in medieval canon law; 1. The real presence of Christ, the minister and the materials of the sacrament; 2. The form of the sacrament and the elevation of the host; 3. Communion: union with Christ and unity in the sacrament; 4. Custody of the Eucharist and communion of the sick; 5. Corpus Christi and wonder hosts; Conclusion; Bibliography; Index.

'The influence, construction, and use of medieval canon law is richly illuminated through such a focused study.' Kriston R. Rennie, Renaissance Quarterly

Thomas Izbicki received a doctorate in medieval history at Cornell University (1973). He became an academic librarian in 1986. While serving as a librarian at Wichita State University, Johns Hopkins University and Rutgers University, he pursued research on the medieval Church, including canon law. His publications focus on Pius II, Juan de Torquemada OP, Nicholas of Cusa and the sacraments in canon law. Dr Izbicki's most recent book is Religion, Power, and Resistance from the Eleventh to the Sixteenth Centuries: Playing the Heresy Card, edited with Karen Bollermann and Cary J. Niederman (2014).

• Introduction: the sacraments in medieval canon law; 1. The real presence of Christ, the minister and the materials of the sacrament; 2. The form of the sacrament and the elevation of the host; 3. Communion: union with Christ and unity in the sacrament; 4. Custody of the Eucharist and communion of the sick; 5. Corpus Christi and wonder hosts; Conclusion; Bibliography; Index.

'The influence, construction, and use of medieval canon law is richly illuminated through such a focused study.' Kriston R. Rennie, Renaissance Quarterly