The Mahabharata - An introduction to the study of the work, with a very brief summary, and reviews of some of the available translations. - http://web.utk.edu/~jftzgrld/MBh1Home.html
The Mahabharat Chronology - The site describes the Vedic calendar and then gives the dates for the important events of the Mahabharata based on that calendar, thus giving a time frame to the epic and the ages of the characters at the various events. - http://www.hindunet.org/hindu_history/ancient/mahabharat/mahab_patnaik.html
Mahabharata-Tatparya-Nirnaya Bhava-Sangraha - A translation of a 32 verse summary of the Mahabharata. This site contains much information that will be useful to those engaged in research. - http://www.dvaita.org/sources/mbtn/bh_s.html
A Wonder of Ancient India: The Mahabharata - A brief summary of the purpose and meaning of the work by Nhilde Davidson. - http://www.theosophy-nw.org/theosnw/world/asia/as-nhild.htm