Summa Theologica

IIa IIae q. 39 : Of Schism (Four Articles)

[Letter] [A4] Entire question
[Letter] [A4] 1. Whether schism is a special sin?
[Letter] [A4] 2. Whether schism is a graver sin than unbelief?
[Letter] [A4] 3. Whether schismatics have any power?
[Letter] [A4] 4. Whether it is right that schismatics should be punished with excommunication?