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Dinosaur Renaissance (1975)
                                    
What the Bones Tell Us (1997)
                                        
                                        "Dinosaur Renaissance", Scientific American 232, no. 4 (April 1975), 58—78 
Dinosaur Renaissance (1975)
                                    
Source: 1960s, The Medium is the Message (1967), p. 93
“I choose not to make a graveyard of my body for the rotting corpses of dead animals.”
                                        
                                        letter to Clyfford Still, undated; as quoted in Mark Rothko : A Biography (1993), James E. B. Breslin / and Abstract Expressionism, Creators and Critics, ed. Clifford Ross, Abrams Publishers New York 1990, p. 170 
after 1970, posthumous
                                    
Source: [A sea ethic: floating the Ark, Blue Ocean Institute, 2005, http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.495.177&rep=rep1&type=pdf]
                                        
                                        McGraw, Michael, People for the Ethical Treatment of Animals.  "PETA and AIDS research" http://www.cnsnews.com/letterstotheeditor/letters_archive/2006/letters20060515.asp, Letters to the Editor, CNSNews.com, May 15, 2006. 
On animal research and activism against it
                                    
                                        
                                        Ai Weiwei on Twitter in English (beta). http://aiwwenglish.tumblr.com/ (January 10, 2011) 
2010-, Twitter feeds, 2010-12
                                    
 
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                        