 | Bartola" (in German). festung-oberland.ch. Retrieved 2 January 2011. "Sbarramento San Gottardo – Motto Bartola" (PDF). Monumenti militari nel Cantone Ticino... 41 KB (4,840 words) - 11:48, 28 March 2024 |
| Bartola" (in German). festung-oberland.ch. Retrieved 2 January 2011. "Sbarramento San Gottardo – Motto Bartola" (PDF). Monumenti militari nel Cantone Ticino... 41 KB (4,840 words) - 11:48, 28 March 2024 |