The Margaret Fuller Society
The Society web site has a good bibliography and links to a discussion list and other useful resources.
www-english.tamu.edu/fuller/   reviews

Margaret Fuller (1810-1850)
Profile of Margaret Fuller on Thomas Hampson's "I Hear America Singing" web site. Entry contains a biography and selected quotes.
www.pbs.org/wnet/ihas/poet/fuller.html   reviews

Sarah Margaret Fuller, Marchesa Ossoli
Biography of Fuller by James Chastain, at the "Encyclopedia of Revolutions of 1848" web site.
cscwww.cats.ohiou.edu/~Chastain/dh/fuller.htm   reviews