The Date of Kanishka - A modern discussion of this topic by Robert Bracey. - http://www.kushan.org/essays/chronology/kanishka.htm
Democracy in Ancient India - Steve Muhlberger, Associate Professor of History, Nipissing University, describes republics and other democratic forms of government in ancient India. - http://www.nipissingu.ca/department/history/MUHLBERGER/HISTDEM/INDIADEM.HTM
History of Bengal - Chronicles the art, archaeology, history and culture of Chandraketugarh, near Calcutta, an important medieval site. - http://www.historyofbengal.com/
Alexander in India - Brief one page account of Alexander of Macedonia's time east of the Hindu Kush. - http://wso.williams.edu/~junterek/india.htm
Political and Social Ethics of India - The Magadha and Maurya empires and Alexander's conquests in the North. By Sanderson Beck - http://www.san.beck.org/EC10-Social.html
Naval Warfare in Ancient India - Article in the Indian Historical Quarterly published 1930. - http://ccbs.ntu.edu.tw/FULLTEXT/JR-ENG/cha.htm