Abler, Ronald. Spatial organization; the geographer's view of the world [by] Ronald Abler, John S. Adams [and] Peter Gould. - Englewood Cliffs, N.J., Prentice-Hall [1971] Includes bibliographies. ISBN: 0138240868 LCCN: 71123081 Subjects--Topical Terms: Geography. LC Class. No.: G112 / .A25 Dewey Class. No.: 910.09