Referatas anglų kalba. Leonardo da Vinčio paveikslo "Madona grotoje" analizė. Sources, iconography, style of the two versions of the work (London, Paris). Introduction. The documentary evidence concerning "The Virgin of the Rocks" in the National Gallery. The documentary evidence concerning "The Virgin of the Rocks" in the Louvre. Geological evidence concerning both paintings of "The Virgin of the Rocks". The conditions of "The Virgin of the Rocks" in the national gallery. The style and iconography of the pictures. The two angels in the National Gallery. Conclusion. Dictionary of terms.