If you know the title and author, go to your favorite library and
     ask the librarian for help.  They can often get books through
     interlibrary loan; fees may be involved.

     If you don't know exactly what you are looking for, try browsing
     one of the online library catalogs.  Some of the best are
       Harvard University                <http://hollisweb.harvard.edu/>
       University of California (UC)     <http://www.cdlib.org/>
       US Library of Congress (LOC)      <http://catalog.loc.gov/>
       Gemeinsamer Verbundkatalog (GVK)  <http://gso.gbv.de/>
       Karlsruher Virtueller Katalog (KVK)
                         <http://www.ubka.uni-karlsruhe.de/kvk.html>
         Search engine for a number of German online catalogs.

     For lists of other such online catalogs, and there are many, try
       <http://www.hbz-nrw.de/hbz/germlst/index.html>
       <http://sunsite.berkeley.edu/Libweb/>
       <http://www.grass-gis.de/bibliotheken/>

     To find German-language books in print, use the Verzeichnis
     Lieferbarer B"ucher at
       <http://www.buchhandel.de/>

     To purchase books from Germany, try an online German bookseller:
       <http://www.schoenhuber.de/>           B"ucherzentrum Sch"onhuber
       <http://www.struppe-online.de/>        Sack/Struppe & Winckler
       <http://www.osiander.de/>              Osiandersche Buchhandlung
       <http://www.books.de/>                 Bouvier/Gonski
       <http://www.amazon.de/>                Amazon.de
       <http://www.roesslitor.ch/>            R"osslitor (Swiss)
     Lists of publishers and bookstores with an Internet presence are at
       <http://www.chemie.fu-berlin.de/outerspace/verlage.html>
       <http://www.genealogy.net/misc/verlage.html>