Field of study: Bacteriology, Botanics, Botany, Microbiology, Physiology of Plants

• An experiment with Sarcina ventriculi
  KNAW, Proceedings, 13 II, 1910-1911, Amsterdam, 1911, pp. 1237-1240
  
  
• An obligative anarerobic fermetation Sarcina
  KNAW, Proceedings, 7, 1904-1905, Amsterdam, 1905, pp. 580-585
  
  
• Chemosynthesis at denitrification with sulfur as source of energy
  KNAW, Proceedings, 22 II, 1920, Amsterdam, 1920, pp. 899-908
  
  
• Emulsion laevulanthe product of the action of viscosaccharase on cane sugar
  KNAW, Proceedings, 12, 1909-1910, Amsterdam, 1910, pp. 795-798
  
  
• Fixation of free atmospheric nitrogen by Azotobacter in pure culture. Distribution of this bacterium
  KNAW, Proceedings, 11, 1908-1909, Amsterdam, 1909, pp. 67-74
  
  
• Formation of pyruvic acid from malic acid by microbes
  KNAW, Proceedings, 18 II, 1916, Amsterdam, 1916, pp. 1198-1200
  
  
• Further Researches concerning Oligonitrophilous Microbes
  KNAW, Proceedings, 4, 1901-1902, Amsterdam, 1902, pp. 5-9
  
  
• Oidium lactis the milkmould and a simple method to obtain pure cultures of anaërobes by means if it
  KNAW, Proceedings, 21 II, 1919, Amsterdam, 1919, pp. 1219-1226
  
  
• On a colourless bacterium, whose carbon food comes from the athmosphere
  KNAW, Proceedings, 5, 1902-1903, Amsterdam, 1902, pp. 398-413
  
  
• On a Contagium vivum fluidum causing the Spotdisease of the Tobacco-leaves
  KNAW, Proceedings, 1, 1898-1899, Amsterdam, 1899, pp. 170-176
  
  
• On different forms of hereditary vriation of microbes
  KNAW, Proceedings, 3, 1900-1901, Amsterdam, 1901, pp. 352-365
  
  
• On Indigo-fermentation
  KNAW, Proceedings, 2, 1899-1900, Amsterdam, 1900, pp. 495-512
  
  
• On Lactic acid fermentation in milk.
  KNAW, Proceedings, 10 I, 1907, Amsterdam, 1907, pp. 17-34
  
  
• On Oligonitrophilous Bacteria
  KNAW, Proceedings, 3, 1900-1901, Amsterdam, 1901, pp. 586-595
  
  
• On the bacteria which are active in flax-rotting
  KNAW, Proceedings, 6, 1903-1904, Amsterdam, 1904, pp. 462-481
  
  
• On the composition of tyrosinase from two enzymes
  KNAW, Proceedings, 15 II, 1912-1913, Amsterdam, 1913, pp. 932-937
  
  
• On the development of Buds and Bud-variations in Cytisus adami
  KNAW, Proceedings, 3, 1900-1901, Amsterdam, 1901, pp. 365-371
  
  
• On the Formation of Indigo from the Woad(Isatis tinctoria)
  KNAW, Proceedings, 2, 1899-1900, Amsterdam, 1900, pp. 120-129
  
  
• On the nitrate ferment and the formation of physiological species
  KNAW, Proceedings, 16 II, 1913-1914, Amsterdam, 1914, pp. 1211-1217
  
  
• On the relation of the obligatous anaërobics to free oxygen
  KNAW, Proceedings, 1, 1898-1899, Amsterdam, 1899, pp. 14-26
  
  
• Oxidation of manganocarbonate by microbes
  KNAW, Proceedings, 16 I, 1913, Amsterdam, 1913, pp. 397-401
  
  
• Penetration of methyleneblue in living cells after desiccation
  KNAW, Proceedings, 15 II, 1912-1913, Amsterdam, 1913, pp. 1086-1087
  
  
• Photobacteria as a Reactive in the Investigation of the Chlorophyll-function
  KNAW, Proceedings, 4, 1901-1902, Amsterdam, 1902, pp. 45-49
  
  
• Pigments as products of oxidation by bacterial action
  KNAW, Proceedings, 13 II, 1910-1911, Amsterdam, 1911, pp. 1066-1077
  
  
• The significance of the tubercle bacteria of the Papilionaceae for the host plant
  KNAW, Proceedings, 21 I, 1919, Amsterdam, 1919, pp. 183-192
  
  
• Variability in Bacillus prodigiosus
  KNAW, Proceedings, 12, 1909-1910, Amsterdam, 1910, pp. 640-649
  
  
• Viscosaccharase an enzyme which produces slime from cane-sugar
  KNAW, Proceedings, 12, 1909-1910, Amsterdam, 1910, pp. 635-640