Perhaps you should try some spelling variations:
"bibliotheca historisch romaniae 1918" » "bibliotheca historica romaniae 1918" (Expand Search), "bibliotheca historisch romania 1918" (Expand Search), "bibliotheca historisch rumanien 1918" (Expand Search), "bibliotheca historisch romaniae 1" (Expand Search)
"bibliotheca istoria romania 1925" » "bibliotheca historica romania 1925" (Expand Search), "bibliotheca historica romaniae 1925" (Expand Search), "bibliotheca istoria romanilor 1925" (Expand Search), "bibliotheca istoria romania 1918" (Expand Search), "bibliotheca istoria rumanien 1925" (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: (("bibliotheca istoria romania 1925") OR ("bibliotheca historisch romaniae 1918"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"bibliotheca istoria romania 1925\") OR (\"bibliotheca historisch romaniae 1918\"))*".
• Removing quotes may allow a broader search: (( bibliotheca istoria romania 1925 ) OR ( bibliotheca historisch romaniae 1918 ))*.