"Osol-ol-fosol " unknown encyclopedia In Gnostic investigation

Literacy works in ghajar and zandich era have not been investigated scienentifically due to particular attention to the literature before eigth century. It goes without saying that there are precious works in 12th and 13th centuries such as "Osol-ol-fosol fi Hosol-ol-vosol" in gnosis. The book is the last work of Rezagholi khan Hedayat, sincc be was at his highest level of maturity and perfection, the book is more important. The book is an encyclopedia in which all related topics to gnosis have been investigatcd. The book has not been published yet and ever thcrc is no publish article on that. There are two transcripts; one in the parliament library whit 820 pages and the other in the booali sina library of Hamcdan university whit 520 pages.