http://tags.library.upenn.edu/tag/worldcat PennTags Feed http://tags.library.upenn.edu/makerecord/ered/37143 http://tags.library.upenn.edu/makerecord/ered/37143 <p>This online database searches library catalogs all over the world simultaneously and then lists the results for each item by geographic area.</p> http://tags.library.upenn.edu/makerecord/url/26068 http://tags.library.upenn.edu/makerecord/url/26068 Another large, 30+ million union catalog that includes the holdings of many university, college, and public libraries. Several Philadelphia-area libraries are included in WorldCat as well as many seminaries and colleges and universities with religious affiliations.<br /> <em>Link: </em>http://hdl.library.upenn.edu/1017/7158 http://tags.library.upenn.edu/makerecord/url/20170 http://tags.library.upenn.edu/makerecord/url/20170 http://tags.library.upenn.edu/makerecord/url/15501 http://tags.library.upenn.edu/makerecord/url/15501 http://tags.library.upenn.edu/makerecord/url/7890 http://tags.library.upenn.edu/makerecord/url/7890 Infotoday article about worldcat.org<br /> http://tags.library.upenn.edu/makerecord/url/3518 http://tags.library.upenn.edu/makerecord/url/3518