Dave
A map of Austria-Hungary :
http://users.erols.com/mwhite28/austhung.htmA map of Bohemia:
http://feefhs.org/maps/ah/ah-bohem.htmlAs you know, you need to locate a name of a town in order to proceed with the research.
http://www-lib.usc.edu/~aflesch/bohemia.html www.iarelative.comwww.cgsi.orgwww.csagsi.orgwww.ncsml.orgwww.czechheritage.net/genealogy.htmlwww.genea.cz/ruzne/svet.htm#13.DThe Czech Republic's phone book (Bohemia and Moravia) is at
http://phone.quick.cz Surname TRNKA lists in nice numbers in city of Praha.
www.rat.de/kuijsten/navigatorTake a look in Ellis Island website. You need to register but no money involved. There were 49 TRNKAs.
www.ellisislandrecords.org