Perhaps you should try some spelling variations:
siebenburgischen vereins » siebenburgischen archivs (Expand Search), siebenburgischen archiv (Expand Search)
der siebenburgischen » des siebenburgischen (Expand Search), der siebenburgische (Expand Search), zur siebenburgischen (Expand Search)
erganzungsbande der » erganzungsbande des (Expand Search)
band i » band 2 (Expand Search), band 1 (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (studia OR studie) transylvanica: erganzungsbande der siebenburgischen vereins, band i~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(studia OR studie) transylvanica: erganzungsbande der siebenburgischen vereins, band i".
• Adding a wildcard symbol may retrieve word variants: (studia OR studie) transylvanica: erganzungsbande der siebenburgischen vereins, band i*.