Honest Dollar; with a Chapter On

History of the United States, Volume 2

History of the United States, Volume 6

History of the United States, Volume 4

History of the United States, Volume 1

Outline of the Principles of History ; With a Biographical Sketch of the Author

History of the United States from the Earliest Discovery of America to the Present Day; Volume 2

Outline of the Principles of History (Grundriss der Historik)

History of the United States, Volume 3

History of the United States, Volume 5

History of the United States - Volume VI