The same site features the text of "Ten Days in a Madhouse," together with two shorter features Nellie wrote about seeking work as a maid through an employment agency and working in a box factory. The latter two are less dramatic but may provide more realistic models of investigative feature-writing.
http://digital.library.upenn.edu/women/bly/madhouse/madhouse.html This amateur site has information about Nellie's life and her family, as well as links to trading cards with Nellie's picture, books about her and other interesting material.
http://home.att.net/~gapehenry/NellieBly.html