 
                            
                        
                        
                        Source: Introduction to semantics, 1962, p. 4
Witold Doroszewski, Z zagadiiien leksykografii polskiej [Selected Problems of Polish Lexicography], Warszawa 1954, p. 93; as cited in Schaff (1962;6).
Source: Introduction to semantics, 1962, p. 4
Source: Science and Sanity (1933), p. vii, as cited in: Schaff (1962;91)
Source: Introduction to semantics, 1962, p. 6
                                        
                                        As cited in Schaff (1962;6). 
"Comments on Semantics", 1952
                                    
Source: Essai de semantique, 1897, p. 99 ; as cited in: Schaff (1962:4).
                                        
                                        Michael Halliday (1977). "Ideas about Language" Reprinted in Volume 3 of MAK Halliday's Collected Works. Edited by J.J. Webster. London: Continuum. p113. 
1970s and later
                                    
Source: 1970s and later, Cohesion in English (English Language), 1976, p. 23 cited in: Helen Leckie-Tarry (1998) Language and Context. p. 6.
Notes Toward a Supreme Fiction (1942), It Must Be Abstract
1970s, Synergetics: Explorations in the Geometry of Thinking (1975), The Wellspring of Reality
                                        
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