Introduction
Mauro Natale
Bologna in the Renaissance policy of the fifteenth century and the role of the Griffoni family
Angela De Benedictis
Building San Petronio: the first century
Maria Teresa Sambin De Norcen
The Griffoni family and the Fabbrica of San Petronio: family and political reasons behind the commission for the Griffoni Polyptych
Mario Fanti
Francesco del Cossa and Ercole de’ Roberti: in Ferrara and Bologna
Cecilia Cavalca
The Griffoni Polyptych
Cecilia Cavalca
Dismemberement and diaspora of the Griffoni Polyptych: art markets, collecting, and museums
Angelo Mazza
Bologna 1934: Roberto Longhi and the 'Officina ferrarese'
Marcello Toffanello
THE GRIFFONI POLYPTYCH
Entries
Cecilia Cavalca
Perfection through study: the painting technique of the Griffoni Polyptych
Jill Dunkerton
Saint John the Baptist and Saint Peter: notes on the restorations and technique
Letizia Lodi
Reference literature