Murray's has been proven to be erroneous enough and incomplete enough so as to have instigated a couple newer books. Not to take anything away from Murray - he was a groundbreaker in the subject and would've surely updated/amended his epochal work as new/more accurate information came to light, had he lived to see it.

"You can lead a man to logic, but you cannot make him think." Joe Harz
"Always certain, often right." Keith McCafferty