I just wrote what I remember reading it from Bob Brunning's Fleetwood Mac biography (he was the original bassist of Fleetwood Mac), but then I looked at Wikipedia and they have more accurate info there from what I remember. Here's the link:
1.3 The fake Fleetwood Mac (1974)
Speaking of early Fleetwood Mac, I'll put forward this one from Buckingham Nicks only solo album from 1973, released less than two years before the self-titled (Over My Head, Rhiannon, Say You Love Me, Landslide) album:
Frozen Love
Oh, and I see that Mick Fleetwood has just released a new autobiography:
Play on: Now, Then, and Fleetwood Mac: The Autobiography