Ehrman, Madeline Elizabeth. <br/><br/>
The meanings of the modals in present-day American English / 
by Madeline Elizabeth Ehrman. 
 - The Hague :  Mouton,  1966. 
 - 106 p. ; 
 - Janua linguarum. .
<br/><br/><label>ISBN: </label>MBS8942 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language-Mood.--United States
<br/><br/><label>Dewey Class. No.: </label>425  / Me