Altruism, sympathy, and helping :  psychological and sociological principles / 
edited by Lauren Wispe 
 - New York :  Academic,  1978 
 - xvi, 342 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0127604502 
<br/><br/><label>LCCN: </label>78-003350 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Altruism<br/>Helping behavior<br/>Social behavior<br/>Psychological theory