NOTE: This listing is not being maintained. The contents are being migrated to the Herbarium Library catalog.
Forman, Leonard and Diane Bridson, eds. 1989. The herbarium handbook. Royal Botanic Gardens Kew, Great Britain. iv, 214 p.
Holmgren, Patricia K., N.H. Holmgren, and L.C. Barnett. 1990. Index herbariorum. Part I. Herbaria of the world. 8th ed. New York Botanical Garden, Bronx, NY. x, 693 p.