1. USDA Forest Service. Report 2003. White Pine Ecosystems in the United States to Reduce the Impacts of White Pine Blister Rust. Report R1-03-118.
2. Anon. 1956. Material of the first conference on problems of plant protection (Riga March 1956). Plant Protection Bulletin. Riga Latvia: Latvian SSR Academy of Sciences Publishers.
3. Anon. 1979. List of plant diseases in Taiwan. List of plant diseases in Taiwan. Plant Protection Society. Taichung Taiwan 404 pp.
4. Anon. 1998. Currants & Gooseberries. Pest Management Guide for BC Commercial Growers. Aug. 1998 Edition. Victoria BC Canada: British Columbia Ministry of Agriculture and Food.
5. Anon. 1960. Index of Plant Diseases in the United States. Crops Research Division Agricultural Research Service Agriculture Handbook No. 165. Washington USA: United States Department of Agriculture.