Dietel, Norman. [Alongside the Coffin at Lyndon Johnson's Funeral], Photograph, 1973; digital images, (http://texashistory.unt.edu/ark:/67531/metapth64582/ : accessed December 20, 2013), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting LBJ Museum of San Marcos , San Marcos, Texas.
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