I was reading The Spiritual Dynamic In Modern Art by Charlene Spretnak and wanted to post some images of art she references.
MODERNISTS:
Georgia O'Keefe -
"Jack-in-the-Pulpit No. IV" 1930
"Black Mesa Landscape, New Mexico / Out Back of Marie's II" 1930
Arthur Dove -
"Me and the Moon" 1937
Piet Mondrian -
"Tableau no. 2 / Composition no. V." 1914
"Composition with Red, Blue and Yellow" 1930
Paul Klee - 
"Visual Music" 1922
