> For a little project I'm working on I need the life dates for a few
> (apparently) unheralded 19th century Americans. Here is what I know--

The American Antiquarian Society in Worcester, MA has the best collection
of published materials from the early 19th century America in the world.
Their charge is to collect and catalog every work published in the United
States before 1876.

You can access their catalog by telnetting to mark.mwa.org

-j