Perhaps you should try some spelling variations:
"bibliothek historica romaniae 1" » "bibliotheca historica romaniae 1" (Expand Search), "bibliothek historica romania 1" (Expand Search), "bibliothek historica romanian 1" (Expand Search), "bibliothek historica roumanian 1" (Expand Search)
"bibliothek historica rumanien 1925" » "bibliotheca historica rumanien 1925" (Expand Search), "bibliothek historica rumanien 1935" (Expand Search), "bibliothek historica rumanien 1918" (Expand Search), "bibliothek historica rumanien 1938" (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 romaniae 1\") OR (\"bibliothek historica rumanien 1925\"))~".
• Removing quotes may allow a broader search: (( bibliothek historica romaniae 1 ) OR ( bibliothek historica rumanien 1925 ))~.
• Adding a wildcard symbol may retrieve word variants: (("bibliothek historica romaniae 1") OR ("bibliothek historica rumanien 1925"))*.