Many thanks to all the list members who pointed to a variety of tires & s ources. Consensus seems to be that Panaracer Paselas are the most common retro-lo ok tire used by the bunch. Kenda and Duro are similar and at the same pri ce point. The Panaracers are available at Universal Bicycles (http://www. universalcycles.com/shopping/index.php?category=1745), among other plac es, and this outfit was recommended by several.
I did get the tires I needed, and want to thank all those who offered eve n if I didn't buy yours. I will keep looking for the Michelin World (27 x 1 1/4 w/ "ZZ" tread pattern) and other euro-centric varieties. If I hit the 'mother lode' , I'll share the info.
Bob Hillery
Stratham, New Hampshire, US