Editors lists brief descriptions of the project editors.
Map is an interactive Google Map with places appearing in the letters along with other data and descriptions.
Organizations lists names and descriptions of organizations in the letters.
People lists names and descriptions of people in the letters.
Places lists names and descriptions of places in the letters.
Readings lists readings on text encoding, digital scholarly editions, editing, archives, and other topics that informed the project.
References lists works cited in the introduction and editorial annotations.