Polish-Latin http://genepedia.pl/index.php?title=S%C5%82ownik_imion_m%C4%99skich_%C5%82ac.-pol
Latin-Polish-German http://poznan-project.psnc.pl/page.php?page=firstnames
Polish-English https://en.wiktionary.org/wiki/Appendix:Polish_given_names
Polish-Russian (click picture to enlarge)
Polish-Latin http://genepedia.pl/index.php?title=S%C5%82ownik_imion_%C5%BCe%C5%84skich_%C5%82ac.-pol.
Latin-Polish-German http://poznan-project.psnc.pl/page.php?page=firstnames#female
Polish-English https://en.wiktionary.org/wiki/Appendix:Polish_given_names
Russian-Polish http://www.rosjanie.pl/tmp/RosyjskoPolskiSlownikImionZenskich.pdf
Polish-Russian (click picture to enlarge)
Handwritten names (from web archived website lostshoebox) and pdf version
Names used in Borderlands area (starting on page 67)
Naming Customs found in Poland http://sites.rootsweb.com/~polwgw/naming.html
https://en.m.wikipedia.org/wiki/Polish_name#Nazwisko_(surname)
Polish Surname declension tool
https://culture.pl/en/article/a-foreigners-guide-to-polish-surnames
Lithuanian:
if you are interested in etymology of your surname please click below link: