Ea Jansen was a historian of Finno-Ugric history originally from Estonia. Until her death, she worked for the Tallinn Pedagogical University. [From an Ethnic Community to National Statehood: The Case of Estonians] - An article written by Jansen in 1998. Wikipedia
The definitive Wikipedia entry for Ea Jansen. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Ea_Jansen