Al-Jami' fi Tafsir Ayat al-Ahkam (Mawsu'ah 'Ilmiyyah) - 7 volumes

An enormous work of research, a scientific encyclopedia that brings together verses dealing with legal rulings and the clarification of Fiqh subjects arising from them.

This research is the result of a group of Egyptian researchers under the general supervision of Sheikh Majdi ibn Atiyah Hamoudah, and here is the methodology they used for this 7-volume compendium:

Enumerations of verses concerning a legal rule.

General exegesis of the verse according to the great recognized Tafsir.

Causes of revelation.

Establishment of the legal rules derived from the verse(s).

Comparison, where applicable, of different readings and the impact this may have on judgments.

For each legal question, evidence from the Qur'an, then from the Sunnah, then from the sayings of the Sahabas is listed. 

Finally, the opinions of the 4 schools are cited, as well as books dealing with Ijma', and the opinions of Ibn Taymiyyah, as-San'ani, ash-Shawkani...

A scientific resource full of riches that will save students a lot of research by finding everything concerning Ayat al-Ahkam in a single place.