New York: Octagon Books, 1972: 181-189.

Reprinted by Octagon Books, 1965.

New York: Octagon Books, 1974.

New York: Octagon Books, 1953.

Harvard University Press, 20101928 and New York, Octagon Books, 1969.

A second edition was printed by Octagon Books in 1977.

German Rule in Russia: 1941-1945, Octagon Books: 1990.

Hartmann, Edward G. Americans from Wales, Octagon Books, 1983.

New York: Octagon Books, Inc, 1966, 1952.

New York City: Octagon Books, 1975.