Inhalt:

• Webdirectories, SEARCH
  
• Lexika, Glossare, etc. / DICTIONARIES
  
• Historische Lexika online
  
• Archiv: antike Internetseiten / INTERNET ARCHIVE
  
• Virtuelle Bibliotheken / VIRTUAL LIBRARIES

Suchmaschine dogpile (All the best engines piled into one)

open directory
The Definitive Catalog of the Web, the largest, most comprehensive human-edited directory of the Web.
Medieval Jewish History Resource Directory
Review of Biblical Literature
Rezensionen der Zeitschrift JBL online

 The Internet Archive
The Internet Archive Wayback Machine puts the history of the World Wide Web at your fingertips. The Archive contains over 100 terabytes and 10 billion web pages archived from 1996 to the present.
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Encyclopaedia Britannica

Stanford Encyclopaedia of Philosophie
Online philosophy reference work, articles are authored and updated by experts in the field.

Chachme Ashkenaz
WHO IS WHO im deutschen orthodoxen Judentum 18. - 20. Jh.;
von H. Schwab)

Meyers Konversationslexikon,
Eine Encyklopädie des allgemeinen Wissens, vierte Auflage, Leipzig, 1888-1889.

ZEDLER Universallexikon
Die wichtigste deutsche Enzyklopädie des 18. Jh.

Allgemeine Deutsche Biographie
55 Bände und ein Register, 1875-1912

Jewish Encylopaedia.com
This website contains the complete contents of the 12-volume Jewish Encyclopedia, which was originally published between 1901-1906.

Catholic Encyclopaedia
Online version of the classic 1913 encyclopedia explaining Catholic doctrines, past and present.

Jewish Virtual Library
the most comprehensive online Jewish encyclopedia in the world.
Eine Bibliothek, die keine Bücher, sondern Links verwaltet.

Digitale Sammlungen JUDAICA STUBB Frankfurt/Main 
Digitized collection of German Judaica, mostly 19th/early 20th century

The Institute of Microfilmed Hebrew Manuscripts
Jewish National and University Library