Cloud of unknowing 

 -  1961 
<br/><br/><label>Standard No.: </label>38691 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SPIRITUALISM
<br/><br/><label>Dewey Class. No.: </label>/\45, K11 under size