How to get back the sources of my dictionary that was automatically deleted by an application that I downloaded called Speedupmymac?

I download an app called speedupmymac and when I use it. This app automatically deleted the sources of my Dictionary and when I use the dictionary on my mac I was shock and wikipedia is only exist and i can't use it. How to getback the sources of my dictionary ? or give me the link to download it. Please someone can HELP me for this problem.