Aydelotte, William Osgood. <br/><br/>
Quantification in history / 
by William O. Aydelotte. 
 - Reading, Mass. :  Addison-Wesley,  1971. 
 - x, 181 p. 22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History--Methodology.