Introduction. The triptych as a "painting with doors"
Origins and the first half of the fifteenth century. The emergence of the early Netherlandish triptych i : Robert Campin (and his associates)
The emergence of the early Netherlandish triptych ii : Jan van Eyck
The second half of the fifteenth century. The triptych reformulated : Rogier Van der Weyden
The triptych popularized : painters of the second half of the fifteenth century
The triptych unified : Memling, David, and later fifteenth-century painters in Bruges
The sixteenth century and beyond. The world triptych : Hieronymus Bosch
The triptych in the age of the Renaissance and the Reformation
Coda. The triptych in the age of Rubens.