| www.ubka.uni-karlsruhe.de/hylib/kvk_help.html | added 1998-06-23 |
| www.amazon.com | added 1998-06-23 |
| www.amazon.de | added 1998-11-01 |
| www.bnf.fr | added 1998-06-23 |
| www.buch.de | added 1998-12-10 |
| www.buchhandel.de | problems reported 1998-08-07 (german) added 1998-06-23 |
| www.buchkatalog.de | added 1998-11-15 |
| www.bucher.de | (german) added 1998-08-03 |
| www.clbooks.com | added 1998-07-02 |
| www.dbi-berlin.de | (german) added 1998-06-23 |
| www.ddb.de | (german) added 1998-06-23 |
| webis.sub.uni-hamburg.de | (german) added 1998-06-23 |
| lcweb.loc.gov | added 1998-06-23 |
| sunSITE.berkeley.edu/Libweb | added 1998-06-23 |
| www4.ncbi.nlm.nih.gov/PubMed | added 1998-06-23 |
| www.melvyl.ucop.edu | added 1998-06-23 |
| www.nypl.org | added 1998-06-23 |
| www.oclc.org/oclc/menu/home1.htm | added 1998-06-23 |
| opac97.bl.uk | added 1998-06-23 |
| www.sbb.spk-berlin.de | (german) added 1998-06-23 |
| www.sub.uni-hamburg.de | (german) added 1998-06-23 |
| www.subito-doc.de | added 1998-06-23 |
| www.telebuch.de | (german) added 1998-06-23 |
| www.vlb.de | problems reported 1998-08-07 (german) added 1998-06-23 |
| www.bl.uk | added 1998-06-23 |
| www-opac.bib-bvb.de | added 1999-03-21 |
| www.dbilink.de | added 1998-06-23 |