http://tags.library.upenn.edu/vallhonr/resources PennTags Feed http://tags.library.upenn.edu/makerecord/url/14471 http://tags.library.upenn.edu/makerecord/url/14471 worth the dowload for the documentation alone<br /> http://tags.library.upenn.edu/makerecord/url/14470 http://tags.library.upenn.edu/makerecord/url/14470 THE xsl site<br /> http://tags.library.upenn.edu/makerecord/url/14469 http://tags.library.upenn.edu/makerecord/url/14469 users extensions<br /> http://tags.library.upenn.edu/makerecord/url/14468 http://tags.library.upenn.edu/makerecord/url/14468