Title	Publication Date	Language	Citations
Pockels on the Differential Equation Δu + k 2 u = 0
Note on a Partial Differential Equation of the First Order	1903/04/01
The Duality Theory and the Basic Isomorphisms of Group Systems and Nets and Co-Nets of Group Systems	1945/01/01
On the Inversion of the Order of Integration of a Two Fold Iterated Integral	1926/01/01
Classification of Curves on a Two-Dimensional Manifold Under a Restricted Set of Continuous Deformations	1939/04/01
On the Rank of a Matrix	1913/01/01
Brilliant Points of a Family of Concentric Spheres
Exercises
Semi-Parallel Maps of Surfaces	1926/03/01
Fermat's Note XLV	1927/01/01
Communication Concerning Mr. Ransom's Mechanical Construction of Conics	1902/10/01
Two Estimates Connected with the (α, β)-Hypothesis	1941/04/01
The Complex of Axes of a Central Quadric Surface
The Rate of Growth of Functions Defined by Dirichlet Series	1954/11/01
Solutions of Exercises
On The Teixeira Construction of the Unicursal Cubic	1918/09/01
Applications of an Abstract Existence Theorem to Both Differential and Difference Equations	1934/10/01
Equations and Variables Associated with the Linear Differential Equation
A Note on a Previous Paper "New Foundations of Projective and Affine Geometry"	1937/04/01
On Certain Area-Preserving Maps	1935/10/01
The Topology of Quotient Varieties	1985/09/01
On Measurable Transformations in Finite Measure Spaces	1955/11/01
A Generalized Conception of Area: Applications to Collineations in the Plane	1903/10/01
Triply Conjugate Systems with Equal Point Invariants	1919/07/01
On Permutation Groups of Prime Degree and Related Classes of Groups	1943/01/01
The General Theory of Cyclic-Harmonic Curves	1921/09/01
On p-Adic Fields and Rational Division Algebras	1940/07/01
A Graphical Method of Deducing the Criteria for the Nature of the Roots of Cubic and Quartic Equations
On Infinite Systems of Linear Integral Equations	1912/01/01
Note on Gregory's Discussion of the Conditions for an Umbilicus