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