Dallas Museum of Art. A Century of Modern Sculpture: The Patsy and Raymond Nasher Collection [Photograph DMA_1400-19], photograph, 1987; (https://texashistory.unt.edu/ark:/67531/metapth536243/m1/1/: accessed December 11, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .