The Land Chronicle mentions the allocation of 10,000 crowns for conservation in the former Sobieski tenement house in the Lviv market square. Among other things, a sharp-arched vault dating back to the 15th century and a vault from the Renaissance period were uncovered in the tenement (Source: "Ziemia. Tygodnik Krajoznawczy Ilustrowany', Warsaw 1910, no. 28, pp. 17-18, after: Wielkopolska Biblioteka Cyfrowa).