This site has information about the Society and lots of links to websites with Jewish material available worldwide.
http://jhgswa.org.au
The Jewish Genealogical Society of Great Britain website includes the 1851 Anglo-Jewry Database containing nearly 29,000 records of Jewish people living in Britain in the mid-nineteenth century. Material has been taken from the 1851 census with additional data added.
http://www.jewishgen.org/jcr-uk/index.htm
Transcriptions and photographs of gravestones from Jewish cemeteries. Most are in London, with one each in Hampshire, Oxfordshire, Yorkshire and Hong Kong. A lot of additional information on individuals has been included from other sources. This site allows you to find International Genealogical Index(IGI) batch numbers for towns and villages in the British Isles and North America. You can also search the IGI for a surname within a specific town or village.
http://www.iajgsjewishcemeteryproject.org
Detailed guide to Jewish genealogy research on the FamilySearch website.
https://familysearch.org/learn/wiki/en/Jewish_Genealogy_Research
The International Association of Jewish Genealogical Societies (IAJGS) is an organization of organizations formed in 1988 to provide a common voice for issues of significance to its members, to advance our genealogical avocation, and to coordinate items such as the annual International Conference on Jewish Genealogy.
http://www.iajgs.org/members/members.html
This site offers enhanced searching of a range of different online databases. There are also translating tools and resources on the holocaust.
http://stevemorse.org
The State Museum at Majdanek, Poland, holds documents including prisoner details, memoirs, letters and reports.
http://www.majdanek.pl
The International Tracing Service (ITS) in Bad Arolsen serves victims of Nazi persecutions and their families by documenting their fate through the archives it manages.
http://www.its-arolsen.org/en/homepage/index.html
Database of headstone inscriptions from Jewish cemeteries throughout the UK. Includes additional family tree information for many entries.
http://www.cemeteryscribes.com/index.php
This website has a huge amount of information for those doing Jewish family history research. It includes family trees, a holocaust database, research interests and much more.
http://www.jewishgen.org/#
This website has oral histories of Jewish survivors of the Holocaust and is part of the British Library's Archival Sound Recordings site.
http://sounds.bl.uk/Browse.aspx?categ...seby=Browse+by+interviewee&choice=A-C
This site has lots of useful information on how to trace your Jewish roots. Part of the British "Moving Here" website.
http://www.movinghere.org.uk/galleries/roots/jewish/jewish.htm
Contains the names of about three million Jews who died in the Holocaust. Information was submitted by surviving family members and can include quite a lot of detail. There is also a smaller survivors' database.
http://www.yadvashem.org