Christensen, Kathleen Elizabeth <br/><br/>
Geography as a human science :  a philosophical critique / 
Kathleen Elizabeth Christensen 
 - Phildelphia :  Pennsylvania State University ,  1981 
 - x, 249 p. ;  23 cm. 
<br/><br/>Thesis (Ph.D.) - Pennsylvania State University, 1981 
<br/><br/>Bibliography : p. 234-249 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology--Philosophy<br/>Human geography--Philosophy