Resources | Robert Indiana Website:Official website for Robert IndianaA few books we like: Wilmerding, John, and Martin F. Krause. The Essential Robert Indiana. New York, New York: Prestel, 2013. Available at various locations including in Indianapolis. Wilmerding, John. Robert Indiana: the Artist and His Work, 1955-2005. New York, New York: Rizzoli International Publications, 2007.