TO1A was most certainly in the WL_DAT.CTY released on October 8:
CTY-2310 Country Files by Jim Reisert AD1C - 09 October 2013
See HISTORY.TXT for revision history
inflating: wl_cty.dat
$ grep TO1A wl_cty.dat
FY,=TO1A;
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Jim Reisert AD1C, <jjreisert at alum.mit.edu>, http://www.ad1c.us