www.pgsctne.org
Waldemar Fronczak Genealogical Office „Genesis”
www.genealogy-genesis.com
A Family History Detective Tim Firkowski
www.thegenealogyassistant.com
Polish Genealogical Society
www.genealodzy.pl
Greater Poland Genealogical Society "Gniazdo"
www.wtg-gniazdo.org
Lesser Poland Genealogical Society
www.mtg-malopolska.org.pl
Krzysztof Artur Dlawichowski family website
www.dlawich.desk.pl