Listed below are the reference sources where I acquired most of my information about these recordings.
THE 910'S GUIDE TO THE BEATLES' OUTTAKES
Doug Sulpy
The 910 1996
ALL TOGETHER NOW
Harry Castleman & Walter Podrazik
Pieran Press 1976
BEATLEFAN (periodical)
Bill King
The Goody Press
THE BEATLES ON RECORD
Jeff P. Russell
Scribers 1982
THE BEATLES RECORDING SESSIONS
Mark Lewisohn
Harmony Books 1988
THE BEATLES : THE ULTIMATE RECORDING GUIDE
Allen J. Weiner
Bob Adams Inc. Publishing 1994
BELMO'S BEATLEG NEWS (periodical)
Belmo & L.R.E. King
Storyteller Productions
THE COMPLETE BEATLES CHRONICLE
Mark Lewisohn
Harmony Books 1992
DO YOU WANT TO KNOW A SECRET?
L.R.E. King
Storyteller Productions 1988
FIXING A HOLE
L.R.E. King
Storyteller Productions 1989
GET BACK : THE UNAUTHORIZED CHRONICLE OF THE BEATLES' "LET IT BE" DISASTER
Doug Sulpy & Ray Scheighardt
St. Martin Press 1997
GOLDMINE (THE RECORD COLLECTOR'S MARKETPLACE) (periodical)
Krause Publications
HOW THEY BECAME THE BEATLES
Garth L. Pawlowski
E.P. Dutton/Penguine Books USA Inc. 1989
ILLEGAL BEATLES BACK ISSUES 1986-1988
ILLEGAL BEATLES BACK ISSUES 1989-1990
Doug Sulpy
Storyteller Productions 1991 & 1994
THE LONG AND WINDING ROAD : A HISTORY OF THE BEATLES ON RECORD
Neville Stanard
Avon 1984
THE MAN WHO GAVE THE BEATLES AWAY
Allan Williams & William Marshell
Ballantine 1977
NOT FOR SALE : THE BEATLES' MUSICAL LEGACY AS ARCHIVED ON UNAUTHORIZED RECORDINGS
Belmo
Hot Wacks Press 1997
YOU CAN'T DO THAT : THE BEATLES BOOTLEGS & NOVELTY RECORDS
Pierian Press 1981
Charles Reinhart