The Walls of Florence, 1st century, 1174, 1298 to 1330's
The cathedral, Santa Maria del Fiore, begun 1294, dome begun 1418
    The Cistercian Abbey church of Fossanova, c. 1220.

The town hall, Palazzo della Signoria, begun 1299
 

    The Broletto, or town hall, of Novara, 1206

    Hohenstaufen imperial castle at Gioia delle Colle, c. 1230.

The city's grain warehouse, grain market, and sanctuary of it most
    popular religious image: Or San Michele, begun 1336

The Doria Family compound, Genova, 11th century and later.

Overbuilt streets in Viterbo (Italy) and Troyes (France) representing
    precommunal urban environment of the 12th and 13th centuries.
    Actual structures, later.

Troyes

A modern street in the fourteenth century, Via del Campuccio, Florence.

The Loggia della Signoria c. 1376-82
    expansion of the Piazza della Signoria in the second half of the
    fourteenth century.

Expansion of the Via Calzaiuoli, 1380's.

Street around cathedral, Via della Fondamenta, 1389.

"The City Under Good Government", by Ambrogio Lorenzetti, Palazzo
    Pubblico, Siena. 1337-1340

View of Florence with a Chain, 1480's
Buonsignori perspective plan of Florence, 1584.
Ichnographic plan of Florence, Giuseppe Zocchi 1783