Perhaps you should try some spelling variations:
"bibliothek historica rumanien 1935" » "bibliotheca historica rumanien 1935" (Expand Search), "bibliothek historica romaniae 1935" (Expand Search), "bibliothek historica rumanien 1925" (Expand Search), "bibliothek historica rumanien 1938" (Expand Search), "bibliothek historica rumanien 1918" (Expand Search)
"bibliothek historica roumanian 1" » "bibliotheca historica roumanian 1" (Expand Search), "bibliothek historica romaniae 1" (Expand Search), "bibliothek historica rumanien 1" (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"bibliothek historica rumanien 1935\") OR (\"bibliothek historica roumanian 1\"))~".
• Removing quotes may allow a broader search: (( bibliothek historica rumanien 1935 ) OR ( bibliothek historica roumanian 1 ))~.
• Adding a wildcard symbol may retrieve word variants: (("bibliothek historica rumanien 1935") OR ("bibliothek historica roumanian 1"))*.