25th Anniversary of the Department of Ancient and Medieval History of Nizhnij Novgorod State N. Lobachevsky University. Conference Held in Nizhnij Novgorod, October 29-30. 1999.
25th Anniversary of the Department of Ancient and Medieval History of Nizhnij Novgorod State N. Lobachevsky University. Conference Held in Nizhnij Novgorod, October 29-30. 1999.