Study of Man's Head 15 Ink on Paper, Portrait 2009, Cat. No. 724, 100x70cm (40x28")

Study of Man's Head 10 Charcoal on paper, Portrait 2010, Cat. No. 773, 100x70cm (40x28")

Red Wing Pastel on paper, Portrait 2010, Cat. No. 815, 50x70cm (20x28")

Young Niusia The Cat 5 Mixed technique on canvas, Portrait 2012, Cat. No. 996, 27x35cm (11x14")

Young Niusia The Cat 4 Oil on canvas, Portrait 2012, Cat. No. 972, 45x60cm (18x24")

Young Niusia The Cat 3 Mixed technique on canvas, Portrait 2012, Cat. No. 969, 27x35cm (11x14")

Young Niusia The Cat 2 Mixed technique on canvas, Portrait 2012, Cat. No. 968, 27x35cm (11x14")

Young Niusia The Cat 1 Mixed technique on canvas, Portrait 2012, Cat. No. 967, 27x35cm (11x14")

Young Niusia Oil on canvas, Portrait 2012, Cat. No. 1000, 45x60cm (18x24")

Young Niusia Oil on canvas, Portrait 2012, Cat. No. 1003, 45x60cm (18x24")

Young Niusia Oil on canvas, Portrait 2012, Cat. No. 1005, 27x35cm (11x14")

Yellow Shirt - Brule Lakota Mixed technique on canvas, Portrait 2009, Cat. No. 737, 50x70cm (20x28")

Women 4 Oil on canvas, Portrait 2012, Cat. No. 868, 40x50cm (16x20")

Woman with a Hat Ink on Paper, Portrait 2009, Cat. No. 698, 75x50cm (30x20")

White Man Kiowa - Apache Ink on Paper, Portrait 2009, Cat. No. 734, 55x75cm (22x30")

White Buffalo Ink on Paper, Portrait 2009, Cat. No. 733, 55x75cm (22x30")

Ukrainian Noble Man Oil on canvas, Portrait 2009, Cat. No. 782, 60x45cm (23x17")

Two Cats Charcoal on paper, Portrait 2012, Cat. No. 1010, 45x60cm (18x24")

Turkish Girl Oil on canvas, Portrait 2004, Cat. No. 381, 140x90cm (56x36")

Travelers Oil on canvas, Portrait 2008, Cat. No. 661, 80x60cm (31x23")

Touch the Clouds Oil on canvas, Portrait 2008, Cat. No. 644, 45x60cm (18x24")

Susan Oil on canvas, Portrait 2010, Cat. No. 806, 125x90cm (49x36")

Study of a Sitting Man Charcoal on paper, Portrait 2009, Cat. No. 683, 100x70cm (40x28")

Study of a Man 1 Mixed technique on paper, Portrait 2009, Cat. No. 743, 100x70cm (40x28")

Study of a Head - Sitting Bull Ink on Paper, Portrait 2008, Cat. No. 614, 50x75cm (20x30")

Study of Woman?s Head 3 Ink on Paper, Portrait 2009, Cat. No. 714, 50x70cm (20x28")

Study of Woman?s Head 2 Ink on Paper, Portrait 2009, Cat. No. 713, 100x70cm (40x28")

Study of Woman?s Head - American Horse Ink on Paper, Portrait 2009, Cat. No. 722, 50x70cm (20x28")

Study of Woman's Portrait Charcoal on paper, Portrait 2009, Cat. No. 687, 100x70cm (40x28")

Study of Woman's Head 5 Ink on Paper, Portrait 2009, Cat. No. 780, 60x50cm (23x19")

Study of Woman's Head 4 Ink on Paper, Portrait 2009, Cat. No. 775, 60x50cm (23x19")

Study of Men?s Head 19 Ink on Paper, Portrait 2009, Cat. No. 701, 75x50cm (30x20")

Study of Man?s Head 8 Charcoal on paper, Portrait 2009, Cat. No. 721, 100x70cm (40x28")

Study of Man?s Head 7 Ink on Paper, Portrait 2008, Cat. No. 611, 75x50cm (30x20")

Study of Man?s Head 6 Ink on Paper, Portrait 2009, Cat. No. 720, 50x70cm (20x28")

Study of Man?s Head 5 Ink on Paper, Portrait 2009, Cat. No. 719, 50x70cm (20x28")

Study of Man?s Head 4 Ink on Paper, Portrait 2009, Cat. No. 718, 50x70cm (20x28")

Study of Man?s Head 3 Ink on Paper, Portrait 2009, Cat. No. 717, 50x70cm (20x28")

Study of Man?s Head 2 Ink on Paper, Portrait 2009, Cat. No. 716, 50x70cm (20x28")

Study of Man?s Head 16 Ink on Paper, Portrait 2009, Cat. No. 700, 75x50cm (30x20")

Study of Man?s Head 13 Ink on Paper, Portrait 2009, Cat. No. 676, 75x50cm (30x20")

Study of Man?s Head 12 Mixed technique on canvas, Portrait 2007, Cat. No. 515, 50x75cm (20x30")

Study of Man?s Head 11 Charcoal on paper, Portrait 2009, Cat. No. 681, 100x70cm (40x28")

Study of Man?s Head 1 Ink on Paper, Portrait 2009, Cat. No. 715, 50x70cm (20x28")

Study of Man?s Head - Little Hawk Ink on Paper, Portrait 2009, Cat. No. 699, 75x50cm (30x20")

Study of Man?s Head - Buffalo Charcoal on paper, Portrait 2009, Cat. No. 680, 100x70cm (40x28")

Study of Man's Head 9 Charcoal on paper, Portrait 2009, Cat. No. 688, 100x70cm (40x28")

Study of Man's Head 21 Ink on Paper, Portrait 2009, Cat. No. 774, 60x50cm (23x19")

Study of Man's Head 18 Charcoal on paper, Portrait 2009, Cat. No. 686, 100x70cm (40x28")

Study of Man's Head 17 Charcoal on paper, Portrait 2009, Cat. No. 685, 100x70cm (40x28")

Study of Man's Head 14 Pastel on paper, Portrait 2005, Cat. No. 474, 100x70cm (39x27")

Study for a Portrait - A Girl Charcoal on paper, Portrait 2006, Cat. No. 472, 100x70cm (40x28")

Standing Bear Mixed technique on canvas, Portrait 2012, Cat. No. 863, 45x60cm (18x24")

Sitting Bull 2 Oil on canvas, Portrait 2010, Cat. No. 801, 45x60cm (18x24")

Sitting Bull 1 Oil on canvas, Portrait 2009, Cat. No. 749, 45x60cm (18x24")

Sit and Relax Mixed technique on paper, Portrait 2003, Cat. No. 37, 100x70cm (40x28")

Siberian Trapper Oil on canvas, Portrait 2011, Cat. No. 862, 45x60cm (18x24")

Self-portrait 9 Mixed technique on canvas, Portrait 2012, Cat. No. 865, 45x60cm (18x24")

Self-portrait 8 Mixed technique on canvas, Portrait 2012, Cat. No. 864, 45x60cm (18x24")

Self-portrait 14 Oil on canvas, Portrait 2012, Cat. No. 976, 80x80cm (32x32")