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WikiPedia: Crawford_Long http://search.ebscohost.com/login.aspx?direct=true... http://search.ebscohost.com/login.aspx?direct=true... http://search.proquest.com/docview/1784460895 http://www.emory.edu/EMORY_REPORT/erarchive/2009/F... http://athnewspapers.galileo.usg.edu/athnewspapers... http://dlg.galileo.usg.edu/athnewspapers/id:adb190... http://dlg.galileo.usg.edu/normalnavyschool/do:nnc... http://georgiainfo.galileo.usg.edu/topics/historic... //lccn.loc.gov/50007365 //pubmed.ncbi.nlm.nih.gov/15351622