Poutsma, Hendrik, <br/><br/>
The infinitive, the gerund and the participles of the English verb / 
by H. Poutsma. 
 - Groningen :  P. Noordhoff,  1923. 
 - v, 240 p. ; 
<br/><br/><label>ISBN: </label>BK961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language-Verb.--
<br/><br/><label>Dewey Class. No.: </label>425  / In