Bob Murphy has written study guides to Rothbard’s, Man, Economy, and State and Mises’s Human Action that you might consult.
http://library.mises.org/books/Robert%20P%20Murphy/Study%20Guide%20of%20Man,%20Economy,%20and%20State.pdf
http://library.mises.org/books/Robert%20P%20Murphy/Study%20Guide%20to%20Human%20Action%20A%20Treatise%20on%20Economics.pdf
Also, there is a glossary for Human Action by Percy Greaves called Mises Made Easier.
http://mises.org/easier/easier.asp
