The IRC has a rich and unique collection of about 3,000 copies of the book, this is the work of Professor Ivan Neumann, "The initial foundations of criminal law" of 1814, the Commentary of Muslim Law of 1893, "Al Khidoya fi Sharh Bidoya al Mubtadi" or abbreviated:: "Kitab al Hidoya" by the famous thinker, scientist, philosopher, theologian, Islamic lawyer-fiqih, who received the title Sheikh-ul-Islam Burhanuddin Abul-Hasan Ali Ibn Abu Bakr al-Marghinani ar-Roshidoniy, better known as Burhanuddin al-Marghinani (Burkhoniddin al-Margiloniy; September 23, 1123, Rishton - October 29, 1197, Samarkand) and more than 100 volumes of the Codes of the Russian Empire.