Task 1.2
I)
A physical copy of “Descrizione e studj dell’insigne fabbrica di S. Maria del Fiore” exists in the ETH library in Zürich (A10e ; 540).
Additional library(not in Zürich): Werner Oechslin (Foundation) Library in Einsiedeln.
II) Links to digital versions of the book:
E-Rara:
https://www.e-rara.ch/zut/content/titleinfo/14645299 Links; Download; PDF
Google books: