Special publication / South Central Pennsylvania Genealogical Society ; no. 66, August 2007 - no. 69, March 2009 - no. 70, December 2010 - no.72, April 2012 - no. 74, March 2013 - no. 76, April 2014 - no. 78, April 2015.
"Letters to William McKnight of Lancaster County, PA from family in County Donegal, Ireland. (With a history of the McNaught family of Grange, Burt Parish)"--Cover.
Includes bibliographical references (p. 171-172) and index.