Frontier adaptations in lower Central America / 
Mary W. Helms, Franklin O. Loveland, editors 
 - Philadelphia :  Institute for the Study of Human Issues,  1976 
 - 178 p. ;  23 cm. 
<br/><br/>Bibliography : p. 169-170 
<br/><br/><label>ISBN: </label>091598055X  14.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indians of Central America--Congresses
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Central America--Social conditions--Congresses