Acknowledgements

We would like to give a special thanks to:

• The Andrew W. Mellon Foundation for providing the funding for the development of the database.
• Swarthmore College for hosting the project.
• Last Call Media for creating the database.
• Les Leach for his on-going support of the technical aspects of this project. 
• Dara Regaignon, Caitlin Holmes, and Michelle LaFrance, who helped with aspects of the 2013 Census. 
• The countless individuals who took the time to complete the survey and respond to our requests to clarify their responses.