«What must be published from the heritage» refers to the most important manuscripts which must be researched and see the light. For instance «Turathuna» has introduced in its issue, two books: I- Al-Asrarul- khafeyya, in the logic speculative theology, which compiled by Allama Al-Hasan b.Yousef b.A١-Mutahhar Al-Helli (d.٧٢٦ th).
II- Al-Ensaf wal - Entesaf, By a scholar of ٨ th century, in which he had defied some accusations fabricated by Ibn Taymeya against the shia.
The linguists have special attention to have a better concept of the vocabularies and idioms by the help of the Quranic verses. So Dr.Hadi Hasan Hammodi, studied the books of Ahmed b.Fares, (d. ٣٩٥) approaching to a method which may be considered as Fares\'s own method in Quran\'s commentry. Of coumse he has a separate commentry, which is among his lost books.
In a study titled: Text researehing, between difficulty of the task and dangers of slips.Sayyed M.Reza Al-Husaini has refered to the importance of the researching work within a safe scientific frame as well as mental and technical background of the researcher to enable him to present the text. The writer has mentioned some slips and mistakes of some researchers who did not care for the mentioned conditions.
In the chapter of: «Manuscripts guide. Sayyed Ahmad Al- Husaini, has introduced ٤٣ manuscripts from the library of Allama Sayyed M.Husain Al- Tabatabai author of Al-Meezan.
In the same chapter (ninth issue) Al-Husaini, has indexed ١٢٦ manuscripts of differnt subjects of Islamic knowledge.
Often, it happens that many phenomena or false merits mix together to enlarge falsely some personalities, events, or cases . On this ground Sayyed Jafar Murtaza Al-Ameli: wrote an article about Zaid ben Thabet, proving through a critical study on the related narrations,stories, and historical events,that some merits are falsely atributed to this man, as his knowledge of some semetic languages, or inheritance duties (Al-Erth) .