The Sub-4 Chronicle
The Sub-4 Register was initiated by the late Bob Sparks, was continued by Ian R. Smith, and is now maintained by the editor of “Track Stats”. Web pages were prepared by Bob Sparks in 2002, and can still be found on Bob Sparks's Web Site or on The Internet Archive. Updated information on the Sub-4 chronicle is regularly provided in Track Stats, including the following articles since 2002:
Sub-4 Alphabetic Register as at 31-Aug-2012 (91 KB) updated by Bob Phillips
These pages have been compiled by from A.T.F.S. and N.U.T.S. sources, with the particular assistance of Ian R. Smith.