Just as we are talking about the Vincent on the "Obama's Dad" thread, I see that there is a "Centenary Tribute to Phil Vincent" on Ed Youngblood's website with several contributors. I haven't read it yet, but it looks very interesting.
http://www.motohistory.net/featureds..._feature1.html
http://www.motohistory.net/featureds..._feature1.html