Roberts, Don D., <br/><br/>
The Existential Graphs of Charles S. Peirce : 

 -  De Gruyter Mouton,  1973. 
<br/><br/><label>ISBN: </label>9789027925237 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language Arts & Disciplines.
<br/><br/><label>Dewey Class. No.: </label>162  / ROV