High Quality Content by WIKIPEDIA articles! The National Library of the Republic of Tatarstan is the main state book depository in Tatarstan for national, republican, Russian and foreign publications. It holds over three million documents, including over 100,000 documents in the Tatar language and another 100,000 in foreign languages. It “is the centre of the propagation of the culture of the Tatar people, a unique public library performing the functions of acquisition, preservation and distribution of Tatar books and literature of the republic.”