King, Martin Luther, <br/><br/>
El clarin de la conciencia 
[Traducción de Ramón Moix] 
 - 2. ed. 
 - Barcelona  Aymá  [1973] 
 - 113 p. 
<br/><br/> Translation of : the trumpet of concience. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Social conditions--Addresses, essays, lectures.--1945