Moltmann, G., & Bickelmann, H. (1982). Germans to America: 300 years of immigration, 1683 to 1983. Stuttgart: Published by Institute for Foreign Cultural Relations in cooperation with Inter Nationes, Bonn-Bad Godesberg.

Moltmann, Günter., and Hartmut Bickelmann. Germans to America: 300 Years of Immigration, 1683 to 1983. Stuttgart: Published by Institute for Foreign Cultural Relations in cooperation with Inter Nationes, Bonn-Bad Godesberg, 1982.

Moltmann, Günter., and Hartmut Bickelmann. Germans to America: 300 Years of Immigration, 1683 to 1983. Stuttgart: Published by Institute for Foreign Cultural Relations in cooperation with Inter Nationes, Bonn-Bad Godesberg, 1982.