Church records are available on various websites. The websites include:
FamilySearch.org
Archion
Ancestry.com
Polish archives
An excellent finding aid for the various parishes in Schlesien can be found at: https://www.christoph-www.de/index.htm/
Another excellent site for Schlesien [Silesia, Prussia]: https://schaetzleingenealogy.de/en/home/
See also: https://kirchenbucharchiv.de/