Mishnaic Hebrew:
http://onlinebooks.library.upenn.edu/webbin/book/lookupname?
http://onlinebooks.library.upenn.edu/webbin/book/lookupname?key=Jastrow%2c%20Marcus
http://www.tyndale.cam.ac.uk/jastrow/
http://www.amazon.com/Introductory-Grammar-Rabbinic-Hebrew/dp/9004108904
