Galtfelter, Charles H. "The Pennsylvania Germans: A Brief Account of their Influence on Pennsylvania" in Pennsylvania History Studies. University Park, PA: The Pennsylvania Historical Association, 1990.

Highlights the religion, craftsmanship, and schooling of German immigrants in Pennsylvania.

Referenced in:
"No Roasted Pigeons Are Going to Fly into Their Mouths": Evaluating Two Perspectives on Immigration and Work in 18th Century Pennsylvania.