Holl, Karl,  1866-1926. <br/><br/>
What did Luther understand by religion? / 
Karl Holl. 
 - Philadelphia :  Fortress Press,  1977. 
 - iv, 123 p. ;  22 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0800612604 
<br/><br/><label>LCCN: </label>7662611  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Luther, Martin, 1483-1546--Theology.<br/>Luther, Martin, 1483-1546--Religion.