Copies of freeze-frames from the Tonight Show with Johnny Carson, collage material from The New York Times, acrylic, gesso and pencil on canvas 60 x 48 inches, 2016.
Private collection, Pound Ridge, NY.
Collage material from N.Y. Const., Art. 1, Sec. 19; N.Y. Envtl. Conserv. Law Sec. 25-0302; U.N. World Charter for Nature, 1982, Sec. 1; Storm King Mountain: Public Interest Envtl. Law, post Hudson River Vallley, www.hudsonrivervalley.org; Protect the Adirondacks! Inc. vs. N.Y. Dept. Envtl. Conserv., ____ NY3d ____, May 4, 2021; acrylic, and pencil on canvas, 30 x 30 inches, 2022
Public collection, Elisabeth Haub School of Law at Pace University, White Plains, NY
Collage material from the New York Times Business Section and Wall Street Journal, acrylic, gesso and pencil on canvas, 30 x 30 inches, 2014
Private collection, NYC
Collage material from a photo of Hart's piano by Shelley Grayson; music by Tchaikovsky, Variations on a Rococo Theme, Op. 33 and Piano Concerto No. 1 and B flat minor, Op. 23; and Bach, Toccata and Fugue in D minor, BWV 565; and acrylic and pencil on canvas , 30 x 30 inches, 2019.
Private collection, Seattle, WA.
Collage material from F.E.R.C. Order No. 888, April 24, 1996, and the New York Times, acrylic, gesso, and pencil on canvas, 30 x 30 inches, 2019
Private collection, Charlottesville, VA.
Collage material from the New York Times Business Section and Wall Street Journal, acrylic, gesso and pencil on canvas, 30 x 30 inches, 2014
Private collection, NYC
Oil on mixed media on canvas, 36 x 24 inches, 2011
Private Collection, Midland, TX
Mixed media and collage from Katherine's writings and art projects, 38 x 25 inches, 2012
Private collection, Midland, Texas
Oil on canvas, 20 x 10 inches, 2020
Private collection, Port Richey, FL