Perniola V. <br/><br/>
Helps to Mental Prayer / 

 - 2en ed. 
 - Colombo :  Nirmala,  1961. Bombay:  St Pauls,  1962. 
 - iv, 58 p., 25 p. 
<br/><br/><label>Dewey Class. No.: </label>248.4  / PER