Julia A. King, "Archaeological investigations at Susquehanna : a 19th century farm complex aboard Patuxent River Naval Air Station, St. Mary’s County, Maryland," Second edition (St. Leonard, Md : Jefferson Patterson Park and Museum : Division of Historical and Cultural Programs, Maryland Dept. of Housing and Community Development), 1989 December, Box: 3, Folder: 2. Collection on St. Mary's County and Maryland, MSS-014. St. Mary's College of Maryland Archives.

Julia A. King, "Archaeological investigations at Susquehanna : a 19th century farm complex aboard Patuxent River Naval Air Station, St. Mary’s County, Maryland," Second edition (St. Leonard, Md : Jefferson Patterson Park and Museum : Division of Historical and Cultural Programs, Maryland Dept. of Housing and Community Development), 1989 December, Box: 3, Folder: 2. Collection on St. Mary's County and Maryland, MSS-014. St. Mary's College of Maryland Archives. https://smcm.as.atlas-sys.com/repositories/2/archival_objects/14326 Accessed May 08, 2024.