A Brief History Of The Search For My Ancestors H. Daniel Wagner -
Families Krell, Potaznik, from Warsaw and Zdunska Wola (near Lodz),Rechtdyner, Brunengraber, Herszkowicz, and Baum.
http://www.weizmann.ac.il/wagner/Family.htm

Routes to Roots
Tracing Jewish Roots in Poland, Ukraine, Moldova and Belarus. Site of a U.S. firm with offices in Ukraine and Poland specializing in Jewish research in the archives of Eastern Europe and Customized Tours. Besides self-promotion, the site features a number of maps and pictures of various towns and places, synagogues, monuments, etc.
http://www.routestoroots.com/

Jewish Records Indexing - Poland
A ground breaking project to create a computer database of indices to the 19th century Jewish vital records of Poland. Launched in early 1995, JRI - Poland is already the largest fully searchable database of Jewish vital records accessible through the Internet. Teams of volunteers around the world (called "Shtetl CO-OPs") are actively working to expand the database.
http://www.jewishgen.org/jri-pl

Felshtin Society
Devoted to genealogical and historical information about the Jewish community of Felshtin, Ukraine, its residents and the pogrom of 1919. Includes bibliography.
http://www.west.net/~jazz/felshtin/

Polish Jews
Jewish Polish genealogy and general information.
http://polishjews.org/

A.L. Bell's Minsk Gubernya Translation Center
First systematic effort to put translations of notices from the Russian Empire's official newspapers on the Internet. 19th century Jewish/non-Jewish Eastern European history.
http://members.tripod.com/~allbell/minsk.html

Lithuania-Jewish
For anyone trying to trace their Jewish roots back to the surnames on the 18th century Grand Duchy of Lithuania censuses.
http://lists.rootsweb.com/index/other/Religion/LITHUANIA-JEWISH.html

Turkish_Jews
Sephardic Jewish genealogists with roots in the former Turkish Ottoman Empire including Turkey, Serbia, Greece, and Yugoslavia.
http://lists.rootsweb.com/index/other/Religion/Turkish_Jews.html

Belarussian Jews Family Trees
General guide to Jewish genealogy of this area.
http://www.freewebs.com/belarussianjewsfamilytrees/