Films: Internet movie database IMDb-Film-database Film-Search Journeys The virtual tourist Literature Telebook Online-search biB-Info Jura German Lawtexts online Internet law-Information Mathemathics: MATH database 1931-present MATHDE database Chemistry: Dictionary of the chemical Elements Chemfinder Medicine: PDO Clinical Trial Search Dermatologie Online Atlas Medline Healthgate Astronomy: Astronomic atabases• Films: Internet Movie Database IMDb-Film-database Film-Search • Journey: The virtual Tourist • Literature： Telebook Online-searchBIB-Info • Jura: German Lawtexts Online Internet Law-Information • Mathemathics: MATH database 1931-present MATHDE database • Chemistry: Dictionary of the chemical Elements Chemfinder • Medicine: PDQ Clinical Trial Search Dermatologie Online Atlas Medline Healthgate • Astronomy: Astronomic Databases