The First 1000 Euler Numbers

A List of Factorial Math Constants

The Second Story of Meno A Continuation of Socrates' Dialogue with Meno in Which the Boy Proves Root 2 is Irrational

The Fibonacci Number Series

Elementare Arithmetik und Algebra

Sechs Vorträge über ausgewählte Gegenstände aus der reinen Mathematik und mathematischen Physik

Mysticism and Logic and Other Essays

The Evanston Colloquium: 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

Lectures on Elementary Mathematics

Œuvres mathématiques d'Évariste Galois

Mathematical Problems