Qur'anic exegesis

[Andalus]

Sallam,
Who are the authors of the best, most truthworthy and extensive commentaries on the Holy Qur'an? Is al-Qurtubi among them?

Are there any sources available online? (preferably in Arabic, but English is OK, too)

[abdulhakeem]

have a look at abu yusaf's thread below.

Tafseer (Quranic Exegesis) Q&A (http://www.ummah.com/forum/showthread.php?forumid=34&threadid=11060)

[Andalus]

Jazakallah abdulhakeem,


Here are two links I found for tasfeer, if anyone can recommend some other websites that would be great.

http://www.altafsir.com/Home.asp

tasfeer Ibn Kathir in english
http://www.tafsir.com/