These are all I could find available for Hurko thru LDS. Other metrykal data can probably be obtained by inquiry at the Przemysl Archives*** in Poland, that is if they have not been destroyed. Scroll to bottom of post for Przemysl Archives URL.
Title
Księgi metrykalne, 1938-1946
Authors
Kościół grecko-katolicki. Parafja Hurko (Przemyśl) (Main Author)
Notes
Mikrofilm zrobiony z rękopisów w Archiwum i Biblioteka Kurii Arcybiskupiej Lubaczów.
Greek Catholic parish register of marriage banns for Hurko (a.k.a. Wirko), Galizien, Austria; now Hurko (Przemyśl), Rzeszów, Poland. Text in Ukrainian.
Subjects
Austria, Galizien, Hurko - Church records
Poland, Rzeszów, Hurko (Przemyśl) - Church records
Format
Manuscript (On Film)
Language
Ukrainian
Publication
Salt Lake City, Utah : Mikrofilmowało The Genealogical Society of Utah, 1996
Physical
na 1 rolce mikrofilmu ; 35 mm.
Film Notes
Note - Location [Film]
Akta zapowiedzi 1938-1946 - FHL INTL Film [ 2041193 Item 8 ]
**]Archiwum Państwowe w Przemyślu
I did find GC metrykal data available for Medyka until 1860's.