Tolong jelaskan mengenai Galeri dari Rock Garden of Chandigarh

Nek Chand's outsider art: the rock garden of Chandigarh, by Lucienne Peiry, John Maizels, Philippe Lespinasse, Nek Chand. Published by Flammarion, 2006. .

The Collection, the Ruin and the Theatre: Architecture, sculpture and landscape in Nek Chand's Rock Garden, by Soumyen Bandyopadhyay and Iain Jackson. Liverpool University Press, 2007. .

Sublime Spaces and Visionary Worlds: Built Environments of Vernacular Artists, by Leslie Umberger (author), Erika Doss (contributor), Ruth Kohler (contributor), Lisa Stone (contributor).