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