In Belshazzar court.--The street.--The show.--The game.--Night life.--Laurelmere in peace and war.--School.--Harold and the universe; Reprinted in part from various periodicals

Communications from the Observatory at Leiden, the Observatory at Utrecht, the Kapteyn Astronomical Laboratory at Groningen, the Astronomical Institute of the University at Amsterdam [and] the Netherlands Foundation for Radio Astronomy.; United with Annales d'astrophysique and other similar journals to form Astronomy and astrophysics (Berlin)