Stuart Stone
Go with Black's 9th...it's not 1826 anymore.
I recall that a link for Black's was put in the files section of this page, otherwise, try here:
https://www.google.com.au/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=black%20law%20dictionary%209th%20edition%20free%20download