Diffenderffer, Frank Ried The German Immigration Into Pennsylvania Through the Port of Philadelphia From 1700 to 1775: Part II: The Redemptioners

Ried, Diffenderffer Frank The Early Settlement and Population of Lancaster County and City

Diffenderffer, Frank Ried The German Exodus to England in 1709: (massen-auswanderung der Pfälzer) : Prepared at the Request of the Pennsylvania-German Society

Diffenderffer, Frank Ried The German Immigration Into Pennsylvania Through the Port of Philadelphia From 1700 to 1775: Part II: The Redemptioners