Wörterbücher
- BEOLINGUS (http://dict.tu-chemnitz.de)
- LEO (http://dict.leo.org)
- DeepL (https://www.deepl.com/translator)
Enzyklopedien
- Encyclopedia Britannica (http://www.britannica.com)
- whatis?com (http://whatis.techtarget.com)
- Encyclopedia Britannica (http://wikipedia.org)
