Ebook Library http://public.eblib.com/choice/publicfullrecord.aspx?p=1743613
ebrary http://site.ebrary.com/id/10472415
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Google http://books.google.com/books?id=O71wAAAAMAAJ
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Consulta en línea
ebrary http://site.ebrary.com/id/10135400
Table of contents http://catdir.loc.gov/catdir/toc/hol052/2004054404.html
Book review (H-Net) http://www.h-net.org/review/hrev-a0e8j7-aa
Contributor biographical information http://catdir.loc.gov/catdir/bios/hol056/2004054404.html

Table of contents http://catdir.loc.gov/catdir/toc/ecip042/2003006970.html
Table of contents http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010294263&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA

Publisher description http://catdir.loc.gov/catdir/enhancements/fy0649/95038745-d.html