«JAMES». Jewish Encyclopedia. «2. Son of Alphæus (Aramaic, "Ḥalfai" or "Ḥolpai" = "Cleophas"; see John xix. 25; Eusebius, "Hist. Eccl." iii. 11, iv. 22)».
philologos.org
Lightfoot, J. B. (1865). «The Brethren of the Lord». philologos.org. Archivado desde el original el 18 de junio de 2018. Consultado el 22 de junio de 2018. «The testimony of Papias is frequently quoted at the head of the patristic authorities, as favouring the view of Jerome. [...]. It is strange that able and intelligent critics should not have seen through a fabrication which is so manifestly spurious. [...] [T]he passage was written by a mediaeval namesake of the Bishop of Hierapolis, Papias [...] who lived in the 11th century.»
Butin, R. «Cleofás o Clopás». (Armando Llaza Corrales, trad.). Enciclopedia Católica. Archivado desde el original el 15 de abril de 2009.
Lightfoot, J. B. (1865). «The Brethren of the Lord». philologos.org. Archivado desde el original el 18 de junio de 2018. Consultado el 22 de junio de 2018. «The testimony of Papias is frequently quoted at the head of the patristic authorities, as favouring the view of Jerome. [...]. It is strange that able and intelligent critics should not have seen through a fabrication which is so manifestly spurious. [...] [T]he passage was written by a mediaeval namesake of the Bishop of Hierapolis, Papias [...] who lived in the 11th century.»
