GenoGaleria – sklep dla genealogów
https://genoroots.com/genogaleria/pl/

FB: https://www.facebook.com/GenoGaleria/

Association of Polish Professional Genealogists
https://progenealogia.org/en/main-page/
FB: https://www.facebook.com/sppgen/

More Maiorum – genealogical magazine
https://www.moremaiorum.pl/

A Family History Detective – Tim Firkowski, USA
www.thegenealogyassistant.com

Polish American Foundation of Connecticut, Inc.
https://www.paf-ct.org/

Kim Oni Byli – genealogy blog by Maciej Markowski
https://www.kimonibyli.pl/

Genealogy website by Henryka Szumielski „Szukaj Przodka”
https://szukajprzodka.pl