(from t.p.) Book I. Containing the five orders and the most necessary observations in building
Book II. In which the designs of several houses ordered by him ... are comprised, and the designs of the ancient houses of the Greeks and Latins
Book III. Wherein the ways, bridges, piazzas, basilica's, and xisti are treated of
Book IV. Describing and figuring the ancient temples that are in Rome and some others that are in Italy and out of Italy.