Ibn Marduyeh Esfahani, Manaqib, page 109; Ibn Asaker, Tarikh Madinah-Damishq, V.42, page 372; Muttaqi Hindi, Kanz al-Ummal, V.11, page 625; and in Ferdaus al-Akhbar (V.3, p.89) it is recorded as such: “Ali is the best of mankind, whoever doubts in this is a disbeliever.”

Ibn Asaker has narrated from Ata who said, I asked Ayesha about Ali and she said: “He is the best human-being and nobody doubts this matter except a disbeliever.”

Also, refer to Khatib Baghdadi, Awham al-Jam wat-Tafriq, V.1, page 394.

Kunuz al-Haqaiq, as narrated from Abu Ya’la: “Ali is the best of mankind, whoever doubts this is a disbeliever.” And in Kifayatu’t-Talib (Ganji Shafei, page 246) it is narrated from Ata who asked Ayesha about Ali and she replied: “He is the best of mankind and nobody doubts this save a disbeliever.”

The great and relible scholar of hadith, Abu Muhammad Jafar bin Ahmad bin Ali Qomi, a resident of Rai has an independent book in this regard named " نوادر الاثر في علي عليه‌السلام خير البشر صلوات الله علي “and in this book, he has written almost seventy-five styles for this hadith.