"Realms of the Unreal" notebooks by outsider artist Henry Darger (1882-1973), the Sonora Aero Club is a fiction by Dellschau. However, according to UFO writer Pete Navarro, a coded story is hidden throughout the drawings, which he interprets to mean that the Sonora Aero Club was a branch of a larger secret society known only as NYMZA who developed advanced aeronautic techniques decades earlier than is commonly believed, and which might be connected to the mystery airships reported in the late 1800s. Dellschau's first one-person exhibition "Charles Dellschau - Aeronautical notebooks" and its accompanying catalogue was held in 2000 at the Ricco/Maresca Gallery in New York City, some 75 years after his death. Witte (which mounted an exhibition of Dellschau and Da Vinci called "Flights of the Imagination") and the San Antonio Museum (which curated a solo exhibition of Dellschau entitled "Flight or Fancy? The Secret Life of Charles A. A. Dellschau", also shown at the Menillo Museum in Florida) and the Menil Collection. Dellschau's artwork is also in the collection of the Philadelphia Museum, the abcd Art Brut collection in Paris, which owns an entire book, the High Museum in Atlanta, the American Folk Art Museum in New York, the Philadelphia Museum of Art, the John Michael Kohler Art Center, and several prominent private collections in America and Europe. Several Dellschau drawings were put on display at the Museum of Everything, London England in 2009 as well as in Turin in 2010. The American Visionary Museum in Baltimore has shown the work of Dellschau on several occasions and the INTUIT Museum in Chicago presented a one-person exhibition of Dellschau's art in September 2012. Charles Dellschau's life and art is the subject of a monograph released in the spring of 2013 produced by Marquand Books, Stephen Romano and distributed by Distributed Art Publishers with essays by Thomas McEvilley, Tracy Baker-White, Roger Cardinal, James Brett, Thomas Crouch, Barbara Safarova and Randall Morris. The book has been reviewed in Raw Vision magazine by Tom Patterson, as well as in Bookforum, and Intuit magazine. Critical analysis Dellschau is regarded as one of America's earliest visionary artists. His work has been interpreted as a testimony to the sense of optimism that new technologies inspire as they change the way people see the world. Flight, up until that time, had been a metaphor for man's pathos - or his inability to accomplish what he was