Lyn, Kreise meant "district of" Flatow, which is now the town of Zlotow, in NNW Poland near Pila & Bydgoszcz(Bromberg once).Use <Shtetlseeker-Towns> to locate. Also use <pgsa.org> DBs as well as others. from pgsa.org, click Ships/Immigration, then Hamburg Passenger List to see if KUJATs or KUJACs were listed. Check the usual Surname DBs such as PolishRoots.org, Ancestry.com, etc, etc.ALSO, most importantly, go to LDS/FamilySearch.com, FamilyHistoryLibraryCatalog / FHLC, and see if they have filmed ZLOTOW churches for Salt Lake City. If so you can order the films from your local FHC/Stake @ $ 3.50 per film, takes 2-4 weeks to arrive, then view them at the local FHC/Stake.