آلپ (Persian Wikipedia)

"Alps | Definition, Map, & Facts". Encyclopedia Britannica (به انگلیسی). Retrieved February 4, 2019.
"Lake Garda". Encyclopedia Britannica. Retrieved August 27, 2018.

club4000.it

"The 4000ers of the Alps: Official UIAA List" (PDF). UIAA-Bulletin (145). March 1994. Archived from the original (PDF) on March 7, 2010.

"Alps". The Hutchinson unabridged encyclopedia with atlas and weather guide. Abington, United Kingdom: Helicon. 2014.

"Official Timetable" (به انگلیسی، آلمانی، فرانسوی، ایتالیایی و رومانش). Bern: Swiss Federal Office for Transport. Archived from the original on 27 June 2022. Retrieved 23 September 2022.

"History of the Great St Bernard pass". Archived from the original on 8 December 2012. Retrieved 8 August 2007.

"Wer hat die grösste Röhre?". Tages-Anzeiger (graphical animation) (به آلمانی). Zurich. April 14, 2016. Retrieved 11 May 2016. {{cite news}}: Unknown parameter |trans_title= ignored (|trans-title= suggested) (help)
"Was die Tunnelbauer im Gotthard antrafen". Tages-Anzeiger (graphical animation) (به آلمانی). Zurich. 1 April 2016. Retrieved 11 May 2016.

"Alpine Convention" بایگانی‌شده در ژوئیه ۲۹, ۲۰۱۱ توسط Wayback Machine.
"Alpine Convention - the Convention - the Alpine Convention in a nutshell - the Alps - Home". Archived from the original on September 25, 2018. Retrieved March 9, 2019.
"Official Timetable" (به انگلیسی، آلمانی، فرانسوی، ایتالیایی و رومانش). Bern: Swiss Federal Office for Transport. Archived from the original on 27 June 2022. Retrieved 23 September 2022.
"The 4000ers of the Alps: Official UIAA List" (PDF). UIAA-Bulletin (145). March 1994. Archived from the original (PDF) on March 7, 2010.
"SED | Earthquakes and the Alps". Archived from the original on 3 February 2019. Retrieved 23 September 2022.