Porter, David Richard,  1882- <br/><br/>
The enrichment of prayer, 
comp. by David R. Porter. 
 - New York,  Association press,  1918. 
 - 4 p. l., 3-224 p.  17 cm. 
<br/><br/>
<br/><br/><label>LCCN: </label>18009759  
<br/><br/><label>LC Class. No.: </label>BV245  / .P7