The following sources were invaluable in constructing the number/renumber charts:
Santa Fe's Diesel Fleet, by Joe McMillan, Chatham Publishing Co., 1975.
Route of the Warbonnets, by Joe McMillan, McMillan Publications, 1977.
Santa Fe Motive Power, by Joe McMillan, McMillan Publications, 1985.
Santa Fe Diesel, Vol.1, by Dr. Cinthia Preist, Paired Rail Railroad Publications, 1998.
Santa Fe Modeler, Volume 14 Number 3, Third Quarter, 1991, as posted on the www.
"Santa Fe's Passenger F's", by Bob Kusic and the PM Staff, Prototype Modeler, Nov-Dec 1983.
SPSF Motive Power--1986, by Joseph W. Shine, Four Ways West publications, 1986.
Santa Fe 1988 Motive Power Pictorial, by Joseph W. Shine, Four Ways West Publications, 1988.
Valley Division Vignettes, by J. L. Kreiger, Valley Rail Press, 1983.
Santa Fe 1993-1994 Annual, by Kevin EuDaly, Hyrail Productions, 1994.
CF7 Locomotives: From Cleburne to Everywhere, by Cary F. Poole, The Railroad Press, 1997.
Diesel Locomotive Rosters, by Sy Reich, Warner Publications, NY, NY, 1973
(above source added due to information passed on thanks to Martin Baumann of the UK.)