Fred

It is best to put your ancestral surnames in the subject line.
What US documents, if any have you located. Do you have the arrival manifests?
Map of Transylvania:
http://www.google.com/search?hl=en&q=transylvania+map&am...
Map of old Austria-Hungary http://users.erols.com/mwhite28/austhung.htm
Did you check in Ellis Island site? www.ellisislandrecords.org Family went to family.
the present city of Mukachevo, Ukraine was known as Munkacs.
http://lazarus.elte.hu/hun/maps/1910 click on Bereg megye