Irene Pijoan: interview
Lucidity: A Conversation with Irene Pijoan by Richard Whittaker. Works and Conversation, Issue 14, April 2007
McArthur Binion: A Conversation
Chris Johanson: Within the River of Time…
Richard Tuttle interview
Paul Klee: The Silence of the Angel (2005)
https://youtu.be/px5parLTj4M
Paul Klee personal notebooks