Edited (some only partially) in Calma 2016. Calma, Dragos, ed. (2016). Neoplatonism in the Middle Ages: New Commentaries on 'Liber de Causis' and 'Elementatio Theologica'. Studia Artistarum. Vol. 42. Turnhout: Brepols. doi:10.1484/M.SA-EB.5.111556. ISBN978-2-503-55474-7. (in 2 volumes)
oxfordreference.com
Lydia Schumacher, "Liber de Causis," in Andrew Louth (ed.), The Oxford Dictionary of the Christian Church, 4th ed. (Oxford University Press, 2022), retrieved 12 September 2023.