Summa Theologica

IIa IIae q. 66 : Of Theft And Robbery (Nine Articles)

[Letter] [A4] Entire question
[Letter] [A4] 1. Whether it is natural for man to possess external things?
[Letter] [A4] 2. Whether it is lawful for a man to possess a thing as his own?
[Letter] [A4] 3. Whether the essence of theft consists in taking another's thing secretly?
[Letter] [A4] 4. Whether theft and robbery are sins of different species?
[Letter] [A4] 5. Whether theft is always a sin?
[Letter] [A4] 6. Whether it is lawful to steal through stress of need?
[Letter] [A4] 7. Whether robbery may be committed without sin?
[Letter] [A4] 8. Whether theft is a more grievous sin than robbery?