McCaul, A., & Lyall, W. H. (1859). The ancient interpretation of Leviticus XVIII, 18, as received in the church for more than 1500 years: A sufficient apology for holding that, according to the word of God, marriage with a deceased wife's sister is lawful : a letter to Rev. W.H. Lyall, M.A. Wertheim, Macintosh, and Hunt.

McCaul, Alexander, and W. H. Lyall. The Ancient Interpretation of Leviticus XVIII, 18, as Received in the Church for More than 1500 Years: A Sufficient Apology for Holding That, According to the Word of God, Marriage with a Deceased Wife's Sister Is Lawful : A Letter to Rev. W.H. Lyall, M.A. Wertheim, Macintosh, and Hunt, 1859.