What has the author Hildegard von Blanckenburg written?

There doesn't seem to be a known author named Hildegard von Blanckenburg. It's possible that:

* The name is misspelled: There might be a slight error in the spelling. Could you double-check?

* The author is not well-known: The author may be lesser-known or write in a specific genre or language.

* The author is fictional: It's possible the name is part of a fictional work.

Could you provide more context, like where you encountered this name, or any other information you have about the author? This will help me find more information.