Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Titone, Fabrizio",Governments of the universitates : urban communities of Sicily in the fourteenth and fifteenth centuries,,Brepols,2009,Studies in European urban history (1100-1800),,9782503527574,,https://cir.nii.ac.jp/crid/1130000797400713856