Biological investigations on a new species of Ceratozetes and of Pergalumna (Acarina: Cryptostigmata)
  Color phototactic responses of an eyeless oribatid mite
  The biology of five new species of oribatids from Louisiana
  The biology of Ceratozetes cisalpinus Berlese, Scheloribates laevigatus Koch, and Oppia neerlandica Oudemans (Oribatei), with a description of all stages