Massachusetts Historical Society
Massachusetts Historical Society: The Battle of Bunker Hill: Biographies Mercy Otis Warren
These biographies includes a very short bio on Warren (1748-1814 CE), a spirited female author who published a three-volume history of the American Revolution.
Other
B&r Samizdat Express: Mercy Otis Warren
This site from the B&R Samizdat Express provides text of Warren's works: The Adulateur, The Defeat, The Group, The Blockheads, The Motley Assembly, and more.