If I could say so, the translator himself was also performing under the similar self-imposed restriction when he mentions in his foot- Observe (p.275) only one source to the party of Ghadir Khumm, which is, al-Baladhuri. Any scholar marginally knowledgeable about hadith, islamic history and the discourses on imamate https://nicholasn147wbj6.wikiap.com/user