Immaculata University, "The Duffy's Cut Project"
http://www.duffyscutproject.com
Rich and growing body of materials on the 57 Irish immigrants who died near Malvern while working for Philadelphia and Columbia Railroad in 1832. Includes materials on their lives and deaths and explores early 19th-century attitudes towards industry, immigration, and disease in Pennsylvania.
Referenced in:
The Peopling of Pennsylvania: The Creation of a Multicultural Society