This text argues that onomatopoeia and interjections are of "secondary importance, and their symbolic origin is open to dispute."  
The premise for this work was developed from Plato's Cratylus.  This text argues that onomatopoeia and interjections are of "secondary importance, and their symbolic origin is open to dispute."  Its final section deals with the relationship between syntagmatic and associative words.  Its second section, "Linguistic Value," discusses the material and conceptual viewpoints, while the first section famously explains signs, signifiers, and the signified.  Compiled from the lecture notes of its "author" by two of his students, FTP, identify this most important work of Ferdinand de Saussure.
The premise for this work was developed from Plato's Cratylus.  
Course in General Linguistics