The LDS-Mormons site is not listing church records of Radosovce. The films are slowly being put into the Family History Center Library so check often. You can send a request to the archive or hire a research.
Some of them in this site: www.centroconsult.sk
An ALL site for research: www.iabsi.com/gen/public
5 KOPALEKs did come thru Ellis Island.
About 8 Kopaleks in SK's phone book. www.zoznamst.sk
