More research

Martin, Martin, Agbe-Davies, and Shackel, “New Philadelphia Archaeology: The First Ten Years” in The Living Museum, Volume 72 Number 3, Fall 2011-Winter 2012. A detailed article (pdf) telling the story of the archaeology done at New Philadelphia. Also available at The First Ten Years

Archaeologist Chris Fennell at the University of Illinois: http://www.histarch.illinois.edu/NP/

Descendant and NPA board member Sandra McWorter Marsh: http://www.mcworter.net/

Historian and descendant Juliet Walker at the University of Texas: http://www.newphiladelphiaillinois.org/index.html