Lawvere, F.W. <br/><br/>
Conceptual mathematics :  a first introduction to categories / 
F. William Lawvere, Stephen H. Schanuel. 
 - Cambridge ;  New York :  Cambridge University Press,  1997. 
 - xii, 358 p. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0521472490 (hbk.) 0521478170 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Categories (Mathematics)