The chain of Ali bin abi Talha from Ibn Abbas is the most authentic among the chains of narration from Ibn Abbas - Al-Fawz al-Kabir fi usul al-tafsir

Al-Fawz al-Kabir fi usul al-tafsir cover - Shah Waliullah
The chain of Ali bin abi Talha from Ibn Abbas - Al-Fawz al-Kabir fi usul al-tafsir (Shah Waliullah)