28 books • 3 series
The Roebling Suspension Bridge
Michigan's German Heritage
The Pennsylvania Germans (Heritage Classic)
Amana (Heritage Classic)
German Pioneers in Early California
Early German-American Newspapers
German-American Achievements
Cincinnati's German Heritage
German Americans in the Revolution (Heritage Classic)
Biography of Baron Von Steuben, the Army of the American Revolution and Its Organizer (Heritage Classic)
Outbreak and Massacre by the Dakota Indians in Minnesota in 1862
Ohio's German Heritage
Louisiana's German Heritage
German Regiment among the French Auxiliary Troops of the American Revolutionary War
German Cincinnati Revisited
German-Americana
Memories of the Battle of New Ulm
German Immigration in America (Heritage Classic)
The First Germans in America
Kentucky's German Pioneers
Covington's German Heritage
German Cincinnati
The German-American Experience
In der Neuen Welt (New German-American Studies/Neue Deutsch-Amerikanische Studien, #5)