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http://www.urz.uni-heidelberg.de/subject/hd/fak7/hist/o3/01/00/ (Einblicke ins Internet, 10/1995)

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• Biographies and Addresses, by Fields of Interest
• ENVIRONMENTAL HISTORY (from: Welsch, "Electronic Sources...")
• Welsch, Electr. Sources for History... (Original from UMich)