ISBN 0882580507 books & textbook
Pattern and Process: Research in Historical Geography (National Archives Conferences, V. 9)
Conference on the National Archives and Research in Historical Geography (1971 : Washington, D. C.) United States National Archives and Records Service Ehrenberg, Ralph E.
Howard Univ Pr /1975T Hardcover / 360 Pages
isbn-10: 0882580507 / isbn-13: 9780882580500
