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• Zootaxa Vol. 1022 No. 1: 25 Jul. 2005 - Articles
  An annotated catalog of types of Neotropical Pierinae (Lepidoptera: Pieridae) in the collection of the National Museum of Natural History, Smithsonian Institution, Washington DC
  Abstract
• Zootaxa Vol. 1143 No. 1: 10 Mar. 2006 - Monograph
  

  Types of Neotropical Pierinae in the collection of Department of Entomology, Natural History Museum, London (Lepidoptera: Pieridae)

  
  Abstract