Summa Theologica

Suppl. IIIae q. 65 : Of Plurality Of Wives (Five Articles)

[Letter] [A4] Entire question
[Letter] [A4] 1. Whether it is against the natural law to have several wives?
[Letter] [A4] 2. Whether it was ever lawful to have several wives?
[Letter] [A4] 3. Whether it is against the natural law to have a concubine?
[Letter] [A4] 4. Whether it is a mortal sin to have intercourse with a concubine?
[Letter] [A4] 5. Whether it was ever lawful to have a concubine?