Olof Johan Södermark, Presumed Self Portrait, 1827, Nationalmuseum, Stockholm. https://dartabase.art/cite/nmse/Q106368094 Olof Johan Södermark, Unknown woman, 1830, Nationalmuseum, Stockholm. https://dartabase.art/cite/nmse/Q106378543 Olof Johan Södermark, Regina. Roman Girl with Choral Necklace and Earrings, 1834, Nationalmuseum, Stockholm. https://dartabase.art/cite/nmse/Q106368339 Olof Johan Södermark, Karolina Bygler. Model to the Sculptor Johan Niclas Byström, 1835, Nationalmuseum, Stockholm. https://dartabase.art/cite/nmse/Q106358218