Groundwaters: A Century of Art by Self-Taught And Outsider Artists
Concerning the Spiritual in Art
Outsider Art: Spontaneous Alternatives (World of Art)
Re-Enchantment (The Art Seminar)
Roadside Religion: In Search of the Sacred, the Strange, and the Substance of Faith
The Spiritual Dynamic in Modern Art: Art History Reconsidered, 1800 to the Present
How to Look at Outsider Art
Art Brut: The Origins of Outsider Art
Disfiguring: Art, Architecture, Religion (Religion and Postmodernism Series)
Detour Art: Outsider, Folk Art, and Visionary Environments Coast to Coast - Art and Photographs from the Collection of Kelly Ludwig