study of that which cannot yet be explained in other languages

• English
  

• Albanian
  

• Basque
  

• Belarusian
  

• Catalan
  

• Chinese
  

• Mandarin
  

• Czech
  

• Danish
  

• Dutch
  

• Esperanto
  

• Estonian
  

• Finnish
  

• German
  

• Greek
  

• Hungarian
  

• Indonesian
  

• Italian
  

• Japanese
  

• Khmer
  

• Korean
  

• Latvian
  

• Lithuanian
  

• Macedonian
  

• Norwegian
  

• Polish
  

• Portuguese
  

• Romanian
  

• Russian
  

• Serbo-Croatian
  

• Cyrillic
  

• Roman
  

• Slovak
  

• Swedish
  

• Turkish
  

• Ukrainian
  

• Yiddish