Literature
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  • Marine Gastropods from Curacao, Aruba and Bonaire.
  • 1978
  • Marine sponges from Curaçao and other Caribbean islands. Part I. Keratosa. Studies on the fauna of Curaçao and other Caribbean islands, 179.
  • 1980
  • Marine sponges from Curaçao and other Caribbean islands. Part II. Haplosclerida. Studies on the fauna of Curaçao and other Caribbean islands, 191.
  • 1984
  • Marine sponges from Curaçao and other Caribbean islands. Part III. Poecilosclerida. Studies on the fauna of Curaçao and other Caribbean islands, 199.