The effect of the temperature regime on Dermacentor variabilis (Say) populations in eastern North America
  The restriction of the species range of lxodes scopularis, Say, in Massachusetts by fall and winter temperature
  The effect of mean winter temperature around 0°C on the population size of the American dog tick Dermacentor variabilis, Say (Acarina: Ixodidae)
  Revision of the subfamily Apoloniinae Leeuwenhoekiidae Acarina