I am happy to share with you the attached documentations about Bitcoins either in German or English:

140902_Bitcoins EN

140912_Bitcoins DE

140912_PwC Digital Event

Referred links:

http://www.btc-echo.de/bitcoin-kurs/
http://coinmap.org/
http://ebiz.pwc.com/

Should you have any questions or need any advice in this regard please feel free to contact me.