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Digital material
Table of contents http://catdir.loc.gov/catdir/enhancements/fy0632/2005057682-t.html
Publisher description http://catdir.loc.gov/catdir/enhancements/fy0632/2005057682-d.html

Table of contents http://catdir.loc.gov/catdir/toc/ecip074/2006035638.html
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Table of contents http://catdir.loc.gov/catdir/toc/ecip0723/2007030980.html
Table of contents http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=016512961&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
Table of contents http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016512961&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
Contributor biographical information http://catdir.loc.gov/catdir/enhancements/fy0828/2007030980-b.html
Publisher description http://catdir.loc.gov/catdir/enhancements/fy0828/2007030980-d.html

Table of contents http://catdir.loc.gov/catdir/enhancements/fy0619/2004061068-t.html
Publisher description http://catdir.loc.gov/catdir/enhancements/fy0619/2004061068-d.html

Table of contents http://catdir.loc.gov/catdir/toc/ecip0513/2005015341.html
Table of contents http://digitool.hbz-nrw.de:1801/webclient/DeliveryManager?pid=2227800&custom_att_2=simple_viewer