Otto, Emil. <br/><br/>
Key to the German conversation - grammar 

 - 23rd edn. 
 - Heidelberg  Julius Groos  1923 
 - 61p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>P111
<br/><br/><label>Dewey Class. No.: </label>P111  / E1.2