All the churchbooks from this region are currently being taken from local parishes to diocese archives in Bielsko-Biala. Its hard to tell which are already there and which are not. If you have dates and places you can write the archives here:
Im sorry i cannot help you any further, your area of research is the most genealogically neglected in all Silesia. But that slowly changes, people are indexing and churchbooks are constantly being made available.