https://ps.z-library.sk/book/28310342/59790a/la-finestra-sui-tetti-e-altri-racconti-con-martin-bora.html
https://ps.z-library.sk/book/29934163/3d15c6/la-finestra-sui-tetti.html
https://ne.annas-archive.se/md5/f7a1b583aeb9f57db0f38bbe1ab7fe06
https://ta.annas-archive.org/md5/f7a1b583aeb9f57db0f38bbe1ab7fe06