To Explore Further:
You can search the Deutsche National Bibliothek catalog; although it is unlikely that we can borrow items directly, you may find leads to resources available through other avenues. The DNB also offers some items online, for a fee.
Europeana a digital collection from across Europe. Here are the results of a search for Elfriede Jelinek.
NCCO Nineteenth Century Collections Online - digital images of books and periodicals published during the 19th Century. Includes contemporary notices on some German authors.
EROMM - European Register of Microform and Digital Masters.
Digital Staatsbibliotek - some nineteenth-century German books are available here in digital form.