Boost Statechart Main Page
https://www.boost.org/doc/libs/1_68_0/libs/statechart/doc/index.html

Doxygen Site with Class Diagrams
https://smacc.dev/doxy/bsc/html/db/dcc/namespaceboost_1_1statechart.html

Boost Statechart Github Repo
https://github.com/boostorg/statechart

Boost Statechart SVN Repo
https://svn.boost.org/svn/boost/trunk/boost/statechart/

Andreas Huber Doenni’s (Boost Statechart’s author) forum posts
http://boost.2283326.n4.nabble.com/template/NamlServlet.jtp?macro=user_nodes&user=161519