An independent inquiry · History, evidence & perspectiveRead our source & review standards ↗
The Islam InquiryHistory · Evidence · Perspective

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Before the answer, look at the source.

Primary texts, worked comparisons and practical tools for an inquiry you can follow yourself.

Updated 20 October 2026Editorial review edition

A starting framework.

Source to examineQuestions to bring
The Qur’anWhat does the passage say, assume or leave unexplained? How does the surah develop its argument?
Hadith collectionsWho transmitted the report? What are the chain and wording? Who assigned its grade?
Sira and historiesHow far from the events is the surviving account? Which earlier sources does it preserve?
Non-Muslim witnessesWhat does the witness corroborate? What might the author misunderstand? Is it independent?
Manuscripts, inscriptions and coinsWhat is actually dated? Which claim does the object support, and which does it leave open?

External research starting points: Corpus Coranicum · Birmingham Qur’an manuscript · Altafsir. These resources have different purposes and perspectives.

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