Matt,
1. Start at http://www.boost.org/doc/html 2. Click on 12. Boost.Threads 3. Click on Header
in the contents 4. Click on the "class thread;" link This seems pretty intuitive and perfectly acceptable to me.
I just went back to www.boost.org to double check. I couldn't find any link from the home page to any www.boost.org/doc/* page. This is the case where the first step is the biggest. Now that I know it's there, I can find links to it from a couple of levels down under the documentation link that initially takes you to the lib directory. Also, I had done much of my looking in the various doc directories of the Boost 1.33.0 download tree. Under the top-level doc/html directory there is a threads directory [note the plural] which should be named mutexes, since that's all it covers. There is also a thread directory [note the singular] which, I assume, is supposed to be a copy of what the people who responded to my question referred to on the web site. However, it has only the acknowledgements.html, build.html, and configuration.html files. Merrill