Carl Ludwig Siegel
Lectures on the Geometry of Numbers
Symplectic Geometry
Topics in complex function theory
Arithmetic Groups and Reduction Theory
Gesammelte Abhandlungen
Lectures on the Analytical Theory of Quadratic Forms
SYMPLECTIC GEOMETRY. Reprinted from American Journal of Mathematics, Vol . LXV, No. 1, January, 1943.
Transcendental numbers
Transcendental Numbers. (AM-16)
Vorlesungen über Himmelsmechanik
Zur Reduktionstheorie quadratisher Formen (Publications of the Mathematical Society of Japan)