Aleksandrs Feigmanis is a genealogist with many years experience. He has documented most all of the Jewish cemeteries in Latvia as well as authoring books on Jewish life in Latvia such as "Latvian Jewish Intelligentsia Victims of the Holocaust." Aleksandrs Feigmanis also offers a commercial service to photograph any tombstone in Latvia for a nominal fee. His website is http://balticgen.com.
Additional information is from the database of the Steinheim Institute. Full transcription of all the tombstones as well as photographs are available at:
Digitale Edition - Jüdischer Friedhof Sabile (1869-1938 / 57 Einträge)