Calvert, Brian (1983). "Another problem about Part IX of Hume's Dialogues". International Journal for Philosophy of Religion. 14 (2): 65–70. doi:10.1007/BF00131845. S2CID189828318.
Hanley, Richard (2004). "No End in Sight: Causal Loops in Philosophy, Physics and Fiction". Synthese. 141: 123–152. doi:10.1023/B:SYNT.0000035847.28833.4f.
Calvert, Brian (1983). "Another problem about Part IX of Hume's Dialogues". International Journal for Philosophy of Religion. 14 (2): 65–70. doi:10.1007/BF00131845. S2CID189828318.