Showing 1 - 6 results of 6 for search 'Ehrenberg, Ralph E., 1937-', query time: 0.02s Refine Results
  1. 1
    Author: Ehrenberg, Ralph E., 1937-
    Published 1982
    In collection: Published Materials
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    Archives & manuscripts--maps and architectural drawings
  2. 2
    Author: Ehrenberg, Ralph E., 1937-
    Published 1973
    In collection: Published Materials
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    Geographical exploration and mapping in the 19th century: a survey of the records in the National Archives
  3. 3
    Author: Ehrenberg, Ralph E., 1937-
    Published 1973
    In collection: Published Materials
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    Cartographic records in the National Archives of the United States useful for urban studies
  4. 4
    Author: Schwartz, Seymour I., 1928-
    Published 1980
    In collection: Published Materials
    Other Authors: '; “...Ehrenberg, Ralph E., 1937-...”
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    The mapping of America
  5. 5
    Published 1975
    In collection: Published Materials
    Other Authors: '; “...Ehrenberg, Ralph E., 1937-...”
    Conference Proceeding Book

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    Pattern and process : research in historical geography : [papers and proceedings of the Conference on the National Archives and Research in Historical Geography
  6. 6
    Other Authors: ';
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    [A study of L'Enfant's plan for the city of Washington]

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