URL：https://www.researchgate.net/profile/Francesca-Bozzano/publication/226751621/figure/fig11/AS:668679943499789@1536437130317/Layout-of-Rome-and-its-surroundings-as-drawn-by-Ufficiali-di-Stato-Maggiore-Francese.ppm
掲載元：https://www.researchgate.net/figure/Layout-of-Rome-and-its-surroundings-as-drawn-by-Ufficiali-di-Stato-Maggiore-Francese_fig11_226751621
