A lawyer's daughter who withdrew into her father's house…

A lawyer's daughter who withdrew into her father's house, dressed in white and greeted visitors from behind a door. She stitched nearly eighteen hundred short lyrics into hand-sewn booklets, using dashes, half rhymes and capital letters as nobody else did; barely ten appeared in print while she lived. Her sister found the packets after her death in 1886. This recluse of Amherst wrote Because I could not stop for Death.

The answer in 14 letters