Title: Mathematical essays and recreations,
Authors: Schubert, Hermann, 1848-1911.; McCormack, Thomas J. 1865-1932,; McCormack, Thomas J. 1865-1932,
Publisher: The Open Court Publishing Company; [etc., etc.]
Year: 1898
Subjects: Mathematics Philosophy; Magic squares.; Hyperspace; Circle-squaring.
Contents: Notion and definition of number.--Monism in arithmetic.--On the nature of mathematical knowledge.--The magic square.--The fourth dimension.--The squaring of the circle.