Herrlich, Horst. <br/><br/>
Category theory;  an introduction 
[by] Horst Herrlich [and] George E. Strecker. 
 - Boston,  Allyn and Bacon  [1973] 
 - xi, 400 p. 
 - Allyn and Bacon series in advanced mathematics .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Categories (Mathematics)
<br/><br/><label>Universal Decimal Class. No.: </label>512.58  / HER