Seven of the rooms in the first building show European art, and ten rooms show Russian art. European art includes artworks of Italian (Guercino, Leandro Bassano, Francesco Solimena, Lorenzo Bartolini), French (Jules Dupré, Gaspard Dughet, Pascal Dagnan-Bouveret, Jean-Joseph Benjamin-Constant), Dutch/Flemish (Frans Hals, Michiel Jansz van Mierevelt, Adriaen Brouwer, Adriaen van Ostade, Justus Sustermans, Pieter Claesz), German (Johann Heinrich Roos, Fritz August Kaulbach) and Polish (Jan Styka) painters.