Bukovina Church Records
Description of northern Bukovina parish registers and translations of parish register birth, marriage, and death headings of can be found on the FamilySearch Wiki https://familysearch.org/learn/wiki/en/Main_Page: Enter "Bukovina Church Records" in the search feature.
German Settlements
Welisch, Sophia. Bukovina Villages/Towns/Cities and Their Germans. Ellis, Kansas: Bukovina Society of the Americas, 1990.
Bukovina (also called Buchenland in German) is now divided between Romania (in the south) and Ukraine (in the north). The area was ceded to the Austrian Empire by the Ottoman Turkish Empire in 1775 and the immigration of German-speakers began soon after this date.
Maps
See maps under Romania.
Published sources:
"Aus dem Volksleben der Zipser in der Bukowina" by Dr. J. Polek [Czernowitz], on books.Google.com In: Zeitschrift fuer oesterreichische Volkskunde. VIII Jahrgang [1902], page 25. Online: http://www.volkskundemuseum.at/ozv_jahrgange