Possible additions to the handbook.

I struggled a little to track down a couple of PDF, perhaps they could be useful as summary information?
I am referring to:
https://musescore.org/sites/musescore.org/files/musescore_1.pdf
https://drive.google.com/file/d/0B2tMSQW7t83SOExmcnpJWHhIcU0/edit?pref=…
Just an idea...