Lewis, Henry Trickey,   1928-,  <br/><br/>
Socioeconomic variability in two Ilocano barrios of northern Luzon, Philippines  [microform] / 
by Henry Trickey Lewis. 
 - Ann Arbor, Mich. :  University Microfilms International,   1968. 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - University of California, 1967 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Philippines--Social conditions.