Interview of Charles Kruger for the Elizabeth V. and George F. Gardner Digital Library an initiative of the Cumberland County Historical Society. Kruger continues to discuss his life including his work after the Kruger Dairy.
Interview of Charles H. Kruger of Carlisle, Pennsylvania by Susan Meehan on January 27, 2016. The interview focuses on Kruger's family and early life, the Kruger Dairy and milk delivery, and Kruger's school experiences from elementary school to the Penn State College of Agricultural Sciences.
When Post Masters received letters, they listed the names in the newspapers of those to whom the letters were addressed. If the letters were not picked up by a specified date, they went to the Dead Letter Office.