Dear Friends    DDC up to 20th edition is now freely available in Internet Archive http://archive.org/search.php?query=%28collection%3Aoclclibrary+OR+mediatype%3Aoclclibrary%29+AND+-mediatype%3Acollection&sort=-reviewdate       With Regards Shihab.I. Library Professional University of Kerala -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.