African Man Mixed technique on canvas, Portrait 2009, Cat. No. 736, 45x60cm (18x24")

Alaskan Girl - Gold Rush Oil on canvas, Portrait 2012, Cat. No. 989, 75x100cm (30x40")

Alaskan Trapper 1 Oil on canvas, Portrait 2008, Cat. No. 629, 60x46cm (24x18")

Alaskan Trapper 2 Ink on Paper, Portrait 2009, Cat. No. 726, 55x75cm (22x30")

Alaskan Trapper 3 Ink on Paper, Portrait 2009, Cat. No. 727, 55x75cm (22x30")

Alaskan Trapper 4 Ink on Paper, Portrait 2009, Cat. No. 728, 55x75cm (22x30")

Angel of the Annunciation - LEONARDO Charcoal on paper, Portrait 2006, Cat. No. 473, 50x75cm (20x30")

Beata - Set Mixed technique on paper, Portrait 2003, Cat. No. 133, 150x70cm (60x28")

Beata 1 Mixed technique on paper, Portrait 2003, Cat. No. 134, 50x70cm (20x28")

Beata 2 Mixed technique on paper, Portrait 2003, Cat. No. 135, 50x70cm (20x28")

Beata 3 Mixed technique on paper, Portrait 2003, Cat. No. 136, 50x70cm (20x28")

Bird Chief Pastel on paper, Portrait 2008, Cat. No. 656, 50x70cm (20x28")

Black Man - Arapaho Oil on canvas, Portrait 2009, Cat. No. 730, 55x75cm (22x30")

Boy 1 Oil on canvas, Portrait 2004, Cat. No. 330, 140x90cm (56x36")

Broken Arm Ink on Paper, Portrait 2009, Cat. No. 731, 55x75cm (22x30")

Concert Mixed technique on canvas, Portrait 2007, Cat. No. 518, 150x150cm (60x60")

Curley Bear-Blackfoot Oil on canvas, Portrait 2008, Cat. No. 645, 45x60cm (18x24")

Dancing Wolf Pastel on paper, Portrait 2010, Cat. No. 814, 50x70cm (20x28")

Dull Knife - Cheyenne Oil on canvas, Portrait 2008, Cat. No. 646, 50x70cm (20x28")

Dusia The Cat Oil on canvas, Portrait 2012, Cat. No. 1009, 27x35cm (11x14")

Four Mothers Oil on canvas, Portrait 2010, Cat. No. 783, 120x150cm (48x60")

Ginerva de Benici and Emblem, front - LEONARDO Tempera on paper, Portrait 2006, Cat. No. 511, 45x45cm (18x18")

Ginerva de Benici and Emblem, reverse - LEONARDO Tempera on paper, Portrait 2006, Cat. No. 512, 45x45cm (18x18")

Girl with a Jug Oil on canvas, Portrait 2007, Cat. No. 557, 120x150cm (48x60")

Hollow Horn Bear - Brule Lakota Ink on Paper, Portrait 2009, Cat. No. 735, 45x60cm (18x24")

Judith I - KLIMT Pastel on paper, Portrait 2005, Cat. No. 465, 84x42cm (33x17")

La Viva Life Oil on canvas, Portrait 2007, Cat. No. 555, 155x125cm (62x50")

Look for His Face Mixed technique on canvas, Portrait 2003, Cat. No. 127, 100x150cm (40x60")

Lucian Freud Mixed technique on canvas, Portrait 2011, Cat. No. 998, 45x60cm (18x24")

Man 2 Oil on canvas, Portrait 2010, Cat. No. 798, 45x60cm (18x24")

Man 4 Oil on canvas, Portrait 2008, Cat. No. 648, 50x70cm (20x28")

Man 8 Oil on canvas, Portrait 2012, Cat. No. 977, 45x60cm (18x24")

Man with Fox Mixed technique on canvas, Portrait 2012, Cat. No. 867, 40x50cm (16x20")

Man with a Turban 1 Oil on canvas, Portrait 2006, Cat. No. 495, 45x60cm (18x24")

Man with a Turban 2 Oil on canvas, Portrait 2010, Cat. No. 799, 45x60cm (18x24")

Mexican Girl 1 Oil on canvas, Portrait 2007, Cat. No. 554, 153x97cm (60x38")

Mother and Daughter 3 Mixed technique on paper, Portrait 2009, Cat. No. 678, 75x50cm (30x20")

Native American Woman Mixed technique on canvas, Portrait 2007, Cat. No. 517, 150x145cm (60x58")

Nobile Man Oil on canvas, Portrait 2012, Cat. No. 1015, 45x60cm (18x24")

Old Man Oil on canvas, Portrait 2003, Cat. No. 181, 45x60cm (18x24")

Old Niusia Oil on canvas, Portrait 2012, Cat. No. 1002, 45x60cm (18x24")

Omega 1 Oil on canvas, Portrait 2003, Cat. No. 41, 100x70cm (40x28")

Omega 2 Oil on canvas, Portrait 2003, Cat. No. 42, 100x70cm (40x28")

Omega Chair 2 Pastel on paper, Portrait 2003, Cat. No. 38, 100x70cm (40x28")

Peter with a Fish Oil on canvas, Portrait 2004, Cat. No. 371, 80x60cm (32x24")

Portrait 1 Mixed technique on canvas, Portrait 2003, Cat. No. 214, 50x70cm (20x28")

Portrait 12 Oil on canvas, Portrait 2003, Cat. No. 198, 100x70cm (40x28")

Portrait 4 Mixed technique on canvas, Portrait 2003, Cat. No. 126, 140x90cm (56x36")

Portrait 6 Oil on canvas, Portrait 2003, Cat. No. 188, 60x70cm (24x28")

Portrait of Emilie Floge - KLIMT Pastel on paper, Portrait 2005, Cat. No. 467, 185x90cm (72x36")

Portrait of Fritza Riedler - KLIMT Pastel on paper, Portrait 2005, Cat. No. 469, 153x133cm (60x52")

Portrait of Isabela d?Este - LEONARDO Tempera on paper, Portrait 2006, Cat. No. 513, 25x30cm (10x12")

Portrait of Margaret Stonborough-Wittgenstein - KLIMT Pastel on paper, Portrait 2005, Cat. No. 468, 145x90cm (58x36")

Portrait of a Woman 2 Oil on canvas, Portrait 2003, Cat. No. 180, 45x60cm (18x24")

Potter Mixed technique on canvas, Portrait 2007, Cat. No. 519, 125x150cm (50x60")

Rembrandt Oil on canvas, Portrait 2010, Cat. No. 874, 45x60cm (18x24")

Rocky Bear Chief Oil on canvas, Portrait 2010, Cat. No. 800, 45x60cm (18x24")

Scottish Girl - Susan Oil on canvas, Portrait 2012, Cat. No. 988, 75x100cm (30x40")

Self Portrait 15 Oil on canvas, Portrait 2012, Cat. No. 1016, 45x60cm (18x24")

Self-Portrait 1 Pastel on paper, Portrait 2007, Cat. No. 572, 30x45cm (12x18")