Polish Centre for Holocaust Research
- Polish Academy of Science sponsored Center conducting interedisciplinary research, educational, and publishing activities on the subject of Holocaust.
- http://www.holocaustresearch.pl

Radzilow
- Memorial to a small Jewish community of 800 murdered on July 7, 1941. Includes modern and historical photos, list of surnames, and information about descendants of the town in Israel and New York.
- http://www.radzilow.com/

In memory of Wizna, Poland
- Memorial to a Jewish community. Includes maps and photographs of residents, the town, and the Jewish cemetery.
- http://www.wizna.com/

Zaglembie
- A source of information for Jews and Jewish life in Zaglembie, Poland.
- http://www.shtetlinks.jewishgen.org/Zaglembie/Zaglembie.html

In memory of Szczuczyn, Poland
- Memorial to the Jewish history of this town, including photos, maps, and surname lists.
- http://www.szczuczyn.com/

Shtetl
- Story of how the population of a Jewish shtetl in Poland was wiped out in the Holocaust.
- http://pbs.org/wgbh/pages/frontline/shtetl/