1. Available from: http://classes.bnf.fr/villard/feuillet/.
2. Leonardo da Vinci. Facsimile edition of Codex Madrid I. fol. 49. Lucerne: McGraw-Hill Book Company; 1974.
3. Serlio S. Libro primo d’architettura. Venice: Giovanni Battista & Melchiorre Sessa; 1560.
4. Kelmscott Manor and its repair for the Society of Antiquaries;Insall,1972
5. Wollaton Hall: Prospect Room floor;Morton;J Archit Conserv,2011