Sugden, B. A., Forest Research Laboratory Department of Fisheries and Forestry Vernon, B.C., Canada

• Journal of the Entomological Society of British Columbia Vol. 67 (1970): Journal of the Entomological Society of British Columbia - Articles
  Annotated list of forest insects of British Columbia, Part XIV, Polygonia, Nymphalis, and Limenitis (Nymphalidae)
  Abstract  PDF