Family files are created for Lancaster County families. They may contain correspondence about a family, short genealogies and charts, photocopies of inventories and accounts, letters, etc.
The Harnish Friendschaft (the Harnish family); a collection of historical materials relating to descendants of Martin Harnish of Conestoga Township, Lancaster County, Pennsylvania, 1729-1926
Lineage of the Benjamin Eshleman's of Conestoga Township Lancaster County Pennsylvania : presented to the Lancaster Historical Society as a memorial to their mother Antaline Elizabeth Eshleman Ramsay
The Neff-Näf family : a history of the descendants of Henry Neff, Manor Township, Lancaster County, Pennsylvania : who immigrated from his native Switzerland to the colony of Pennsylvania settling at Penn's Conestoga Manor, Chester (Lancaster) County
The Samuel Harnish Freindschaft; a collection of historical materials relating to descendants of Samuel Harnish (1704-1788) of Cocalico Township, Lancaster County, Pennsylvania, 1704-1926