The Avignonese Papacy
- Article in the Online Reference Book for Medieval Studies.
- http://the-orb.net/textbooks/westciv/avignon.html

The Decree Excecrabilis 1459
- By this decree Pope Pius II struck at the Concilar movement, and lablled as "erroneous and detestable" one of the central ideas of the Conciliarists-the right of appeal from pope to general council. From the Medieval Sourcebook.
- http://www.fordham.edu/halsall/source/p2-execrabilis.html

The Avignon Papacy
- Lecture by Lynn Nelson in the Online Reference Book for Medieval Studies.
- http://the-orb.net/textbooks/nelson/avignon.html

The Great Schism and Conciliar Movement
- Bullet point lecture notes from the Online Reference Book for Medieval Studies.
- http://the-orb.net/textbooks/nelson/great_schism.html

University of Paris and the Schism
- Report of a commission set up in 1393 by the French King on how best to end the schism. From the Medieval Sourcebook.
- http://www.fordham.edu/halsall/source/grtschism2.html

Manifesto of the Revolting Cardinals
- Extracted version from the Medieval Sourcebook.
- http://www.fordham.edu/halsall/source/grtschism1.html

Western Schism
- Article from the Catholic Encyclopedia.
- http://www.newadvent.org/cathen/13539a.htm