| Publication | Date of Publication | Type |
|---|
| Discussion sur l'évolution de l'univers. Traduction et avant-propos par P. Couderc. | 1934-01-01 | Paper |
| On the foundations of the theory of relativity with special reference to the theory of the expanding universe. | 1934-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4757353 | 1934-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4758820 | 1934-01-01 | Paper |
| The astronomical aspect of the theory of relativity. | 1933-01-01 | Paper |
| On the expanding universe and the timescale. | 1933-01-01 | Paper |
| Short history of the observatory of the University Leiden. 1633-1933. | 1933-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4753489 | 1933-01-01 | Paper |
| On the Expanding Universe and the Time-Scale | 1933-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4754977 | 1933-01-01 | Paper |
| Over het uitdijend heelal en den tijd. | 1932-01-01 | Paper |
| On the relation between the expansion and the mean density of the universe. | 1932-01-01 | Paper |
| 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 | 1932-01-01 | Paper |
| Early astronomy and the Observatory of Leyden. | 1932-01-01 | Paper |
| On the Relation between the Expansion and the Mean Density of the Universe | 1932-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4481316 | 1932-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4482176 | 1932-01-01 | Paper |
| On the expanding universe. | 1932-01-01 | Paper |
| Das sich ausdehnende Universum. | 1931-01-01 | Paper |
| Contributions to a British Association Discussion on the Evolution of the Universe | 1931-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4480648 | 1931-01-01 | Paper |
| The expanding universe. | 1931-01-01 | Paper |
| On the distances and radial velocities of extragalactic nebulae, and the explanation of the latter by the relativity theory of inertia. | 1930-01-01 | Paper |
| On the rotation of the earth and astronomical time. | 1928-01-01 | Paper |
| Onregelmatigheden in de rotatie der aarde afgeleid uit de lengten der satellieten van Jupiter. | 1927-01-01 | Paper |
| Summary of the results derived from a discussion of the longitudes of Jupiter's satellites, with special reference to the rotation of the earth. | 1927-01-01 | Paper |
| De seculaire acceleraties en de fluctuaties in de lengtes van de maan, de zon, Venus en Mercurius en de tatie der aarde. | 1927-01-01 | Paper |
| On the seculare accelerations and the fluctuations of the longitudes of the moon, the sun, Mercury and Venus. | 1927-01-01 | Paper |
| De sterrekunde aan de Leidsche Universiteit. | 1925-01-01 | Paper |
| Over de afplatting en de samenstelling der aarile. | 1924-01-01 | Paper |
| Outline of a new theory of satellites of Jupiter. I, II | 1919-01-01 | Paper |
| Nadere opmerkingen omtrent de oplossingen der veldvergelijkingen van \textit{Einstein}'s gravitatie theorie. (Weitere Bemerkungen über die Lösungen der Feldgleichungen von \textit{Einstein}s Theorie der Gravitation.). | 1918-01-01 | Paper |
| Over de relativiteit der traagheid: Beschouwingen naar aanleiding van \textit{Einstein}'s laatste hypothese. (Über die Relativität der Trägheit. Bemerkungen betreffend \textit{Einstein}s letzte Hypothese.). | 1917-01-01 | Paper |
| Over de kromming der ruimte. (Über die Krümmung des Raums.). | 1917-01-01 | Paper |
| De Planetenbeweging en de beweging van de maan volgens de theorie van \textit{Einstein}. (Planetenbewegung und Bewegung des Mondes gemäß\ \textit{Einstein}s Theorie.). | 1916-01-01 | Paper |
| De relativiteit der rotatie in de theorie van \textit{Einstein}. (Die Relativität der Rotation in der Theorie von \textit{Einstein}.). | 1916-01-01 | Paper |
| Ruimte, tijd en gravitatie. | 1916-01-01 | Paper |
| Over den vorm van de planeet Jupiter. | 1915-01-01 | Paper |
| Over den gemiddelden straal der aarde, de versnelling der zwaartekracht en de parallax van den maan. | 1915-01-01 | Paper |
| Over isostasie, de traagheidsmomenten en de afplatting van de aarde. | 1915-01-01 | Paper |
| De beweging van het perigaeum en den knoop, en de samenstelling van de maan. | 1915-01-01 | Paper |
| Proposal for a new method of determining the constant of aberration. | 1915-01-01 | Paper |
| Inleiding tot de methode der kleinste kwadraten. (Einführung in die Methode der kleinsten Quadrate.). | 1914-01-01 | Paper |
| Opmerkingen paar aanleiding der berekeningen van den Heer \textit{Woltjer} over de hypothese van \textit{Seeliger}. | 1914-01-01 | Paper |
| Over de onveranderlijkheid van de snelheid van het licht. | 1913-01-01 | Paper |
| Een bewijs voor de onveranderlijkheid van den snelheid van het licht. | 1913-01-01 | Paper |
| Ein astronomischer Beweis für die Konstanz der Lichtgeschwindigkeit. | 1913-01-01 | Paper |
| Absorptie van gravitatie en de lengte van de maan. | 1912-01-01 | Paper |
| On the bearing of the principle of relativity on gravitational astronomy. | 1911-01-01 | Paper |
| The parallax of the Hyades, derived from photographic plates prepared by Prof. \textit{Anders Donner} at Helsingfors and Prof. \textit{F. Küstner} at Bonn, measured and discussed. | 1909-01-01 | Paper |
| Over de periodieke oplossingen van een speciaal geval van het vier-lichamen-vraagstuk. | 1909-01-01 | Paper |
| De nieuwe methoden in de mechanica der hemellichamen (Die neuen Methoden in der Mechanik der Himmelskörper). | 1908-01-01 | Paper |
| Over de massa's en de baanelementen der satellieten van Jupiter, en de massa van het systeem. | 1908-01-01 | Paper |
| The proper motions of 3300 stars of different galactic latitudes, derived from photographic plates prepared by Prof. \textit{Anders Donner,} measured and discussed. | 1908-01-01 | Paper |
| The parallaxes of 3650 stars of different galactic latitudes, derived from photographic plates prepared by Prof. \textit{Anders Donner,} measured and discussed. With an appendix containing rules for the treatment of parallax-plates and a graphical table of parallax-coefficients. | 1908-01-01 | Paper |
| De periodieke oplossingen van het drie-lichamen-vraagstuk (Die periodischen Lösungen des Dreikörperproblems). | 1907-01-01 | Paper |
| Over periodieke banen van den Hestia-Typus. | 1907-01-01 | Paper |
| Over enkele punten uit de theorie der Jupitersatellieten. | 1907-01-01 | Paper |
| Over de baanvlakken der Jupiter - Satellieten. | 1906-01-01 | Paper |
