Floud, Roderick <br/><br/>
An Introduction to Quantitative Methods for Historians 
by Roderick Floud 
 - New Jersey   Princeton University Press  1973 
 - ix, 220 pages; 21 cm. 
<br/><br/> includes index  
<br/><br/><label>ISBN: </label>0-691-07550-6 
<br/><br/><label>Dewey Class. No.: </label>GR/001.432/F66