Poulton, Helen J. <br/><br/>
The historian's handbook :  a descriptive guide to reference works, / 
Helen Poulton J et al. 
 - 1st ed. 
 - Norman :  University of Oklahoma Press,  1972. 
 - xi, 304 p. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0806109858 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History--Bibliography.<br/>Bibliography--History.--Bibliography