Floud, Roderick. <br/><br/>
An introduction to quantitative methods for historians / 
Roderick Floud. 
 - Princeton, New Jersey :  Princeton University Press,  1973 
 - xii, 220 p. :  ill. ;  21 cm. 
<br/><br/>Includes bib. and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0691075506 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.<br/>History--Statistical methods.