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A Treatise on Algebra (1842)
                                    
            Second Lecture, The Elements of the Theory of Probability, p. 38 
Probability, Statistics And Truth - Second Revised English Edition - (1957)
        
                                        
                                        Vol. I: Arithmetical Algebra Preface, p. vi-vii 
A Treatise on Algebra (1842)
                                    
Robert Jacobus Forbes and E. J. Dijksterhuis (1963) A History of Science and Technology, vol. I: Ancient Times to the Seventeenth Century, Baltimore.
                                
                                    “A colorful hanging chart with no lines.
A pure algebra problem with no solution.”
                                
                                
                                
                                
                            
"Missing You" (1978), in Out of the Howling Storm: The New Chinese Poetry, ed. Tony Barnstone (Wesleyan University Press, 1993), p. 61
                                        
                                        Journal of Speculative Philosophy, Vol. 5, p. 175. Reported in: Memorabilia mathematica or, The philomath's quotation-book, by Robert Edouard Moritz. Published 1914 
Journals
                                    
                                        
                                        Vol. I: Arithmetical Algebra Preface, p. iv 
A Treatise on Algebra (1842)
                                    
                                        
                                        Letter to Henry Sulivan in response to the French Revolution of 1830 (1 August 1830), quoted in Jasper Ridley, Lord Palmerston (1970), p. 103 
1830s
                                    
 
                            
                        
                        
                         
                            
                        
                        
                        