Bridson, Diane. The herbarium handbook. Royal Botanic Gardens, Kew, 1998.
Conservation Online. Environmental Monitoring and Control, Stanford University. Click here for Conservation Online
Copeland, Marion. Cockroach. London: Reaktion, 2003.
Patkus, Beth Lindblom. "Integrated Pest Management." Preservation Leaflets. North Andover, Mass.: Northeast Document Conservation Center, 2007. Click here for NEDCC Leaflet