Being a Translation of the Epitome from the German Larger "Treasure of Prayers" ["Gebets-Schatz"] of the Evangelical Lutheran Church
Lectures on Mathematics: Delivered From Aug. 28 to Sept. 9, 1893 Before Members of the Congress of Mathematics Held in Connection with the World's Fair in Chicago
With Many Choice Anecdotes and admirable sayings of this great man never before published by any of his biographers