Digamasellid mites associated with bark beetles and litter in North America
  Systematics and biology of the genus Veigaia (Acarina: Mesostigmata) from Maryland
  The acarine genus Syringophilus in North American birds
  A genetic study of the Tetranychus telarius complex
  The genus Asca von Heyden (Acarina: Mesostigmata) in North America, Hawaii and Europe