Perhaps you should try some spelling variations:
"monographien band 33" » "monographie von 33" (Expand Search), "monographien band 3" (Expand Search), "monographien band 13" (Expand Search), "monographien band 38" (Expand Search)
"monographien band 1" » "monographie von 1" (Expand Search), "monographien band 2" (Expand Search), "monographien band i" (Expand Search)
"monographien der 21" » "geographie der 21" (Expand Search), "monographie von 21" (Expand Search), "monographien der 2021" (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: (((("monographien band 33") OR ("monographien der 21"))) OR ("monographien band 1"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"monographien band 33\") OR (\"monographien der 21\"))) OR (\"monographien band 1\"))".
• Removing quotes may allow a broader search: (((( monographien band 33 ) OR ( monographien der 21 ))) OR ( monographien band 1 )).
• Adding a wildcard symbol may retrieve word variants: (((("monographien band 33") OR ("monographien der 21"))) OR ("monographien band 1"))*.