(1925). --175th anniversary of the first land granted to Adam Dietz in trust for the German Reformed Congregation of Plainfield Township, Northampton Co., Pa.: Souvenir and church directory --. [Pen Argyl? Pa.

--175th Anniversary of the First Land Granted to Adam Dietz in Trust for the German Reformed Congregation of Plainfield Township, Northampton Co., Pa.: Souvenir and Church Directory --. [Pen Argyl? Pa, 1925.

--175th Anniversary of the First Land Granted to Adam Dietz in Trust for the German Reformed Congregation of Plainfield Township, Northampton Co., Pa.: Souvenir and Church Directory --. [Pen Argyl? Pa, 1925.