Johnson, Douglas L Jabal al-A_k_hdar, Cyrenaica by Douglas L. Johnson - Dept. of Geography, Chicago, Ill. University of Chicago 1973 - xii, 240 p. : illus. ; 23 cm. - Research paper (University of Chicago. Dept. of Geography) ; no.148. . Bibliography: p. 219-240. LCCN: 73-079883 //r902 Subjects--Topical Terms: Human geography--Libya--Cyrenaica Subjects--Geographic Terms: Cyrenaica--Historical geographyCyrenaica--Economic conditions