New York: Robert Appleton Company, 1912.
New York: Robert Appleton Company, 1910.
New York: Robert Appleton Company, 1909.
New York: Robert Appleton Company 1911.
Robert Appleton Company.
New York: Robert Appleton Company, 1907.
The Catholic Encyclopedia, 1912, Robert Appleton Company.
Robert Appleton Company, 1911.
I New York: The Robert Appleton Company, 1907.
New York: Robert Appleton Company, 1908.
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