Snippets of the article and websites can be found here and here. If you are a Family Tree Magazine Plus Member you can access the entire article online. If you are frugal like me, check your local library system as the December issue should be in circulation. If it isn't at your local branch, it can probably be requested from another.
Lists of online sources, like those found in this article, are useful to historians of all sorts as we are all interested in primary documents.