I. The cathedral of Milan: prelude -- II. The facade of Milan Cathedral: classic solutions and gothic volte-face -- III. The facade of Milan Cathedral: gothic designs -- IV. S. Petronio at Bologna and Florence Cathedral -- V. Theory and practice: Borromini and Guarini: their forerunners and successors
"Adapted for publication from the Charles T. Mathews lectures, 1971-72, by George R. Collins and Margot Wittkower."