The German National Bibliography 1601-1700: Digital Images in a Cooperative Cataloging Project. - Marianne Dörr; H. Haddouti; Stephan Wiesener (ADL, 1997)

On-line Access to the 17th Century Literature. - H. Haddouti; Stephan Wiesener (WebNet, 1997)

Advanced Hypermedia Indexing of Documents in a Deductive Database System. - Stephan Wiesener; H. Haddouti; Rudolf Bayer (ADL, 1998)

Towards a Scalable System Architecture in Digital Libraries. - H. Haddouti; Rudolf Bayer; Wolfgang Wohner (DEXA, 1999)