Among his writings was a 1908 biography of
Carl Linnaeus titled
Linnaeus. He was also the author of the following works: •
Musée botanique de Leide, (1871–1897); with W. F. R. Suringar and
Melchior Treub – The botanical museum at Leiden. •
Het geslacht Cyperus (sensu amplo) in den Maleischen Archipel benevens een overzicht van de geschiedenis der systematiek van de familie der cyperaceen. (1898) – On
Cyperus in the
Malay Archipelago, in addition to an overview to the history of systematics of the family
Cyperaceae. • ''Contributions à l'étude des espèces du genre Melocactus des Indes néerlandaises occidentales
, 1901 – Contributions to the study of species within the genus Melocactus'' from the
Dutch West Indies. == References ==