Floud, Roderick. <br/><br/>
An introduction to quantitative methods for historians  / 
R. Flou d. 
 - Princeton :  Prenceton University Press ,  1973. 
 - ix, 220 p. :  illus., tables  ;  21 cm. 
<br/><br/>Includes bibliographical references (p. 209-211) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History--Statistical methods.
<br/><br/><label>Dewey Class. No.: </label>901.82