- William De Sitter: Een Menschenleven. by Willem de (1872-1934)] SITTER-SUERMONDT, E. de. [SITTER, 1948-01-01
- Kosmos;: A course of six lectures on the development of our insight into the structure of the universe, delivered for the Lowell institute in Boston, in November 1931, by Willem de Sitter, 1932
- On the system of astronomical constants (Bulletin of the Astronomical institutes of the Netherlands) by Willem de Sitter, 1937
- On the longitude of the sun in the years 1864-1900, and the rotation of the earth (Bulletin of the astronomical institutes of the Netherlands) by Willem de Sitter, 1927
- Astronome Néerlandais: Christian Huygens, Anton Pannekoek, Willem de Sitter, Pieter Dirkszoon Keyser, Bart Bok, Jacobus Kapteyn (French Edition)
- On the expanding universe, by Willem de Sitter, 1932
- Short history of the Observatory of the University at Leiden, 1633-1933, by Willem de Sitter, 1933
- A determination of the inclinations and nodes of the orbits of Jupiter's satellites (Annals of the Royal Observatory, Cape of Good Hope) by Willem de Sitter, 1906
- Derivation of final inclinations and nodes of the orbital planes of Jupiter's satellites (Annals of the Cape Observatory) by Willem de Sitter, 1914
- Kosmos A course of six lectures on the development of our insight into the struc by Willem de Sitter, 1932-01-01
- Jupiter's Galilean satellites: George Darwin lecture by Willem de Sitter, 1931
- On the secular accelerations and the fluctuations of the longitudes of the moon, the sun, Mercury, and Venus by Willem de Sitter, 1927
- The astronomical aspect of the theory of relativity, (University of California publications in mathematics) by Willem de Sitter, 1933
- Willem de Sitter by Frank Schlesinger, 1935
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