Common Exhibitions of Léon Zack and Olga Della-Vos Kardovskaya

  • 1908 XVI Выставка Картин Московского Товарищества Художников [XVI Vy'stavka Kartin Moskovskogo Tovarishhestva Khudozhnikov : The 16th Exhibition of Paintings. Moscow Association of Artists]
    Moscow: Moscow (exact location unknown)
  • 1909‒1910 XVII Выставка Картин Московскаго Товарищества Художников [XVII Vy'stavka Kartin Moskovskago Tovarishhestva Khudozhnikov : The 17th Exhibition of paintings. Moscow Association of Artists]
    Moscow: Moscow (exact location unknown)
  • 1911 XVIII Выставка Картин Московскаго Т-ва Художников [XVIII Vy'stavka Kartin Moskovskago T-va Khudozhnikov : The 18th Exhibition of paintings. Moscow Association of Artists]
    Moscow: Дом Левиссон