The following experts are required to prove the reliability of historical documents:
- Language expert who can decipher the language and meaning of the document or the script on the inscription.
- One who can recognise the type of paper used and the period in which it was used.
- One who can understand the lettering style and the writing style of the author.
- Expert who has knowledge of different seals, i.e. stamps of authority used by the rulers.
- Historian who can interpret and do a comparative study of the references given in the document.
