Snowy Owl
Landscape with Root Forms
Variations in Red, Green, Black and White
Red on Blue
Villa Imperiale
Pterodactyls
The Energy of Explosions of the Sun Sixty Billion Years B.C.
Frammenti di Villa Giulia
Conception of Space Mysteries
Adam and Eve
Blue on Blue Green
The Stream
Unicorn with a Friend
Landscape Fantasy
Colorado Landscape
Explosions on a Sun 70 Billion Light Years from Earth
Concerning Scorpio Ten Billion Years B.C.
Romantic Spring
Ruins, Central City
Colorado Night, Red Rocks
Fantasy
Forces of Energy from a Sun in the Great Star Cloud K 2
Explosions on a Sun 80 Billion Light Years from Earth
Seven Red Suns in Grey Space
Nebula near Mars
Creation of Space
Martian Dance
Mistero di Pompei
Colorado Moonlight
Colorado Abstraction
Nature Lovers
Abstraction from Timberline
Patina del Palatino
The Kirkland Nebula
Mountain Flowers
Red Landscape
The Energy of Explosions Twenty-Four Billion Years B.C.
Memorie dell’Alba (Memories of the Dawn)
Composizione Spaziale
Moonlight at Timberline
Villa dei Misteri
Memory of Carcassonne
Fantastic Flowers for Mary and Myron
The Illusion of Floating Mysteries in Blue Space
Woden’s Ring
Prehistoric Flower
Red Abstraction
Forces of Energy from a Sun in the Open Star Cluster K 1
Timberline Fantasy
Rocks and Rapids
Four Suns in Space
Limitless Space
Near Morrison
Unknown Nebula
Winter Night
Factory Ruins
Autumn
Fantastic Flowers
Dragon Root
Mysteries in Orange Space
Forces of Energy on a Sun 30 Billion Light Years from Earth
Red Vibrations in Cool Space
Prairie Monuments
Mountain Rhythms
The Illusion of Floating Mysteries in Red Space
Explosions of Energy near Mars 10 Billion Years B.C.
Timberline Abstraction
Frammento di Tarquinia
Portrait of Beatrice Powell Grant
Gray, White and Pink
Fourteen Orange Suns in Grey Space
Painting No. 20, 1961
Tulips and Rhubarb
Mountain Ruins
6 Million Years Ago
Red Rocks
Colorootasaurus
Waterfall, Elyria (Ohio)
Forces of Energy on a Sun 27 Billion Light Years from Earth
Root Forms
The Expanding Universe
Prehistoric Chapmen
Rocky Mountain Abstraction
Asian Dancing Forms
Fantasy Garden
Invasion of Mysteries near Scorpio
Trio
Moonlight in Central City
Painting No. 21, 1963
Inventions in Color
Ronda, Spain (Monastery)
Capri
Mountain Flowers for Judy
Pink and Gold Painting
Moonlight—Isle of The Dead (Colorado)
Concerning Trees
Five Red-Orange Suns in Space
Ruins of Central City
Abstraction from Root Forms
Lichens on Rocks
Fences of Little Italy (Cleveland)
Rocky Glen
Yellow Vibrations on Grey Mysteries in Space