Columbia subject headings:
Harvard subject headings:
Sufism--Congresses.
Sufism--Russia (Federation)--Congresses.
Princeton subject headings:
Sufi literature--Russia (Federation)--Tatarstan--Congresses.
Sufism--Russia (Federation)--Congresses.
Sufism--Russia (Federation)--Tatarstan--Congresses.
Sufism--Ukraine--Crimea--Congresses.
Tatar language--Religious aspects--Sufism--Congresses.