1. Butler RW, Campbell RW. 1987. The birds of the Fraser River delta: Populations, ecology and international significance. Canadian Wildlife Service Occasional Paper 65. Canadian Wildlife Service, Delta, BC.
2. Wilson LK, Moul IE, Langelier KM, Elliott JE. 1995. Summary of bird mortalities in British Columbia and Yukon, 1963-1994. Canadian Wildlife Service Technical Report Series 249. Canadian Wildlife Service, Delta, BC.
3. Poisoning of bald eagles and red-tailed hawks by carbofuran and fensulfothion in the Fraser Delta of British Columbia, Canada;Elliott;J Wildl Dis,1996
4. Secondary poisoning of birds of prey by the organophosphorus insecticide, phorate;Elliott;Ecotoxicology,1997