Petit-Dutaillis, Charles <br/><br/>
La monarquía feudal en Francia y en Inglaterra (Siglos X al XIII) 
Trad. al español por Leonar de Paiz 
 - México  Unión Tipográfica Editorial Hispano Americana  1961 
 - 490 p. 
<br/><br/> Translation of : The feudal monarchy in France and England : from the tenth to the thirteenth century 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Monarchy<br/>Feudalism--Great Britain.<br/>Feudalism--France.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>France.--History--Capetians, 987-1328.<br/>Great Britain.--History--Medieval period, 1066-1485.