Leopold Berchtold: Revizyonlar arasındaki fark

* [http://www.oocities.org/veldes1/berchtold.html 'Graf Leopold Berchtold von und zu Ungarschütz, Frättling, und Püllütz', Solving Problems Through Force] {{Webarşiv|url=https://web.archive.org/web/20141011212851/http://www.oocities.org/veldes1/berchtold.html |tarih=11 Ekim 2014 }}

* [http://www.firstworldwar.com/bio/berchtold.htm 'Count Leopold von Berchtold', firstworldwar.com] {{Webarşiv|url=https://web.archive.org/web/20150219021657/http://www.firstworldwar.com/bio/berchtold.htm |tarih=19 Şubat 2015 }}

* [http://www.penkapeykovska.blogspot.com/ Count Leopold von Berchtold in Ludwig Thallóczy's diary] {{Webarşiv|url=https://web.archive.org/web/20141023091622/http://www.penkapeykovska.blogspot.com/ |tarih=23 Ekim 2014 }}

* [https://julycrisis1914.wordpress.com/category/austria-hungary/ Primary Sources on Berchtold during the July Crisis] {{Webarşiv|url=https://web.archive.org/web/20141019225731/https://julycrisis1914.wordpress.com/category/austria-hungary/ |tarih=19 Ekim 2014 }}

* Samuel R. Williamson, Jr.: [https://encyclopedia.1914-1918-online.net/article/berchtold_leopold_graf/ Berchtold, Leopold Graf], in: [https://encyclopedia.1914-1918-online.net/home.html/ 1914-1918-online. International Encyclopedia of the First World War] {{Webarşiv|url=https://web.archive.org/web/20191230080030/https://encyclopedia.1914-1918-online.net/home.html/ |tarih=30 Aralık 2019 }}.