The Treatise on Rebaptism, placed as a 3rd-century writing and transmitted with Cyprian's works, has two sections that directly refer to the earthly witnesses, and thus has been used against authenticity by Nathaniel Lardner, Alfred Plummer and others. However, because of the context being water baptism and the precise wording being "et isti tres unum sunt", the Matthew Henry Commentary uses this as evidence for Cyprian speaking of the heavenly witnesses in Unity of the Church. And Arthur Cleveland Coxe and Nathaniel Cornwall consider the evidence as suggestively positive. Westcott and Hort also are positive. After approaching the Tertullian and Cyprian references negatively, "morally certain that they would have quoted these words had they known them" Westcott writes about the Rebaptism Treatise: