Deutsche Intellektuelle im Exil. Ihre Akadmie und die ""American Guild_for German Cultural Freedom"". Eine Ausstellung des deutschen ì Exilarchivs 1933-1945 der Deutschen Bibliothek, Frankfurt am Main
Books can be attributed to "Unknown" when the author or editor (as applicable) is not known and cannot be discovered. If at all possible, list at least one actual author or editor for a book instead of using "Unknown".
Books whose authorship is purposefully withheld should be attributed instead to Anonymous.