Winnetou dvds

I´m looking for dvds (or dvdrs) of the following Winnetou films. Preferable with English subtitles (English dub is ok, but not as good…). I know a couple of them are avalible at least in box-sets, but along with films i allready have. Any help appreciated, will pay cash (as my dvd-burner have gone kaputt…).
Old Shatterhand (1964) - Apaches Last Battle (1964)
Der Ölprinz (1965) - Rampage at Apache Wells (1965) - only subtitled version of interest!
Winnetou 3. Teil (1965) - Winnetou: The Desperado Trail (1965)
Winnetou und sein Freund Old Firehand (1966) - Thunder at the Border (1966)
Winnetou und Shatterhand im Tal der Toten (1968) - Winnetou and Shatterhand in the Valley of Death (1968)