? “ ‘Empty tummies’: the Ceylon elephant in Dutch times.” Journal of the Game and Fauna Protection Society of Ceylon, 7 p.
1938  Report on the Dutch Archives, Colombo: Ceylon Government Press (Ceylon. Sessional Paper 9), 10 p.
1943  Catalogue of the archives of the Dutch Central Government of Coastal Ceylon 1640-1796, Colombo: Ceylon Government Press, 354 p.
– “The story of Francina van Reede.” Journal of the Dutch Burgher Union of Ceylon 32,1,3.
1954  “The compilation of the customary law of Jaffna (Thessawalamai) in 1707.” BTLV 110,4: 293-304.
1954-5  “Een archiefreis naar India, Ceylon en Indonesië.” Nederlandsch archievenblad: orgaan van de Vereeniging van Archivarissen in Nederland 59: 93-98. – Also publ. in Mededeelingen, Nederlandse Vereniging van Vrouwen met Academische Opleiding 21,1 (1955): 17-22.